SK hynix

SK hynix Gold P31 - 3500MB/s NVMe Gen3 M.2 SSD | SK Hynix

MPN: P31 βœ“ Active
In Stock Ships in 1-3 business days
128-layer NAND (world's first consumer SSD) Memory
From $47.99 USD / Unit
MOQ: 1 |
Price updated: 2026-09-13
Volume Pricing
Qty Unit Price Extended
1 $59.99 $59.99
10 $56.99 $569.90
100 $53.99 $5,399.00
500 $50.99 $25,495.00
1,000 $47.99 $47,990.00
ℹ️ All prices are in USD

Drop-in alternatives for P31 β€” same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool β€” Select alternative parts for side-by-side comparison:

Platinum P41

βœ… Drop-In
πŸ“¦ M.2 2280
PCIe Gen4 x4 interface vs Gen3 x4 (+100% interface bandwidth), same M.2 2280 footprint and M-key connector

πŸ“‹ Reference alternative (not in catalog)

970 EVO Plus

βœ… Drop-In
πŸ“¦ M.2 2280
PCIe Gen3 x4 same class, similar sequential speeds, Samsung V-NAND instead of 128-layer SK hynix NAND; P31 slimmer profile

πŸ“‹ Reference alternative (not in catalog)

T500

βœ… Drop-In
πŸ“¦ M.2 2280
PCIe Gen4 vs Gen3 interface, same M.2-2280 form factor per Pangoly comparison; higher peak speed, similar capacity options

πŸ“‹ Reference alternative (not in catalog)

P3 Plus

βœ… Drop-In
πŸ“¦ M.2 2280
DRAM-less QLC design vs P31 DRAM TLC; Gen4 interface but lower sustained performance and endurance

πŸ“‹ Reference alternative (not in catalog)

P41 Plus

βœ… Drop-In
πŸ“¦ M.2 2280
DRAM-less Gen4 drive cited in community as Gold P31 alternative; lower sustained write and endurance than P31

πŸ“‹ Reference alternative (not in catalog)

P31 Maximum Ratings & Electrical Characteristics

Product Family Gold P31
Form Factor M.2 2280
Interface PCIe Gen3 x4
Protocol NVMe
NAND Flash 128-layer NAND (world's first consumer SSD)
Sequential Read Up to 3,500 MB/s
Sequential Write Up to 3,200 MB/s
Endurance (2TB model) 1,200 TBW
Stress Test 1,000-hour high-stress validation
Warranty 5 years
Random Read (method) IOmeter 1.1, 4KiB, 4 threads, QD 32
Sequential Alignment 128KiB
Mounting Type M.2 socket, surface mount module
Target Systems Desktop and laptop computers

P31 standard Pin Configuration Guide

Complete pinout information for P31 (standard package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.

standard package pinout diagram for P31

No detailed pinout data available for P31.

Refer to the datasheet for full pin configuration.

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for P31 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

P31 is suitable for 6 applications: Gaming PC Boot and Game Storage, Thin-and-Light Laptop Upgrade, Creator Workstation OS Drive, Small Form Factor and Mini PC Builds, Desktop OS and Application Drive, External Enclosure Storage.

πŸ–₯️

Gaming PC Boot and Game Storage

The Gold P31 fits gaming PCs that need fast level and texture loading without paying for unused PCIe 4.0 bandwidth. Its up to 3,500 MB/s sequential read and 3,200 MB/s write speeds cut game installation, patching, and shader-compilation times dramatically compared with SATA SSDs limited to roughly 550 MB/s. The 1,200 TBW endurance rating on the 2TB model absorbs years of game installs and updates, while the 5-year warranty protects the investment. Because most games show only marginal load-time gains above Gen3 speeds, pairing this drive with a Gen3 platform is a cost-optimal choice. Install it in the CPU-attached M.2 slot for full x4 lane allocation.

πŸ“±

Thin-and-Light Laptop Upgrade

The Gold P31 is widely recommended for laptop upgrades because its 128-layer NAND delivers class-leading power efficiency, translating into measurably longer battery life than most competing NVMe drives. The single-sided M.2 2280 PCB fits the vast majority of modern laptops, including ultra-thin models such as the HP Spectre x360, where drive thickness matters. The 3,500 MB/s read speed makes OS boot and application launches near-instant, and the 5-year warranty matters for machines kept 4-5 years. Verify that the target laptop supports M-key NVMe (not SATA-only M.2) before ordering.

πŸŽ₯

Creator Workstation OS Drive

For video editing and content-creation workstations, the Gold P31 serves as a fast OS and project-scratch drive. Its 3,200 MB/s sequential write handles 4K video scratch files and cache writes during timeline scrubbing, while DRAM-backed caching sustains performance during long transfers better than DRAM-less alternatives such as the Crucial P3 Plus. Creators working on PCIe 3.0 platforms (e.g., older Ryzen or Intel builds) get near-full platform bandwidth without overpaying for Gen4 silicon. Mount with the motherboard heatsink for sustained large-file export workloads to avoid thermal throttling.

🧩

Small Form Factor and Mini PC Builds

Mini PCs and small-form-factor builds have no room for 2.5-inch drives or cabling, making the single-sided M.2 2280 Gold P31 an ideal fit. Its low power draw reduces heat inside tightly packed enclosures where airflow is minimal, lowering fan-speed requirements and acoustic noise. The compact 80mm module installs directly onto the motherboard with a single screw. For builds based on PCIe 3.0 chipsets, the P31 extracts the maximum available bandwidth, and its 1,200 TBW endurance (2TB model) suits always-on home-server and media-server roles.

⚑

Desktop OS and Application Drive

As a desktop boot drive, the Gold P31 delivers near-instant Windows or Linux boot, fast application launch, and responsive multitasking. The DRAM-enabled controller maintains consistent performance as the drive fills, avoiding the degradation common in DRAM-less QLC drives like the P3 Plus. At up to 3,500 MB/s sequential read, large application installs complete in seconds, and the 1,200 TBW endurance rating comfortably covers years of daily OS writes, pagefile activity, and browser caches. The 5-year warranty is a key differentiator versus budget drives with 3-year coverage.

πŸ”§

External Enclosure Storage

The Gold P31 works well inside USB 3.2 Gen2x2 or Thunderbolt NVMe enclosures, where its efficiency keeps drive temperatures manageable in passively cooled aluminum shells. Even though the enclosure link may cap throughput below the drive's 3,500 MB/s native speed, the P31's strong sustained write behavior (DRAM caching, TLC NAND) prevents the mid-transfer slowdowns seen with DRAM-less QLC drives. Its single-sided layout fits the thinnest enclosures, and the 5-year warranty covers portable-drive duty where handling shocks are a concern since SSDs have no moving parts.

Recommended Products Summary

Platinum P41 Same-brand Gen4 upgrade option for Gen4 platforms Used in: Gaming PC Boot and Game Storage, Creator Workstation OS Drive, Desktop OS and Application Drive 970 EVO Plus Cross-brand Gen3 alternative in same slot Used in: Gaming PC Boot and Game Storage, Small Form Factor and Mini PC Builds, External Enclosure Storage PC711 OEM variant of similar Gen3 platform used in laptops Used in: Thin-and-Light Laptop Upgrade P41 Plus Alternative laptop upgrade option Used in: Thin-and-Light Laptop Upgrade, External Enclosure Storage T500 Gen4 alternative for mixed workloads Used in: Creator Workstation OS Drive, Desktop OS and Application Drive P3 Plus Budget option for light-duty NAS-style builds Used in: Small Form Factor and Mini PC Builds
What are the key specifications of SK hynix Gold P31?
The SK hynix Gold P31 is a PCIe Gen3 x4 NVMe SSD in M.2 2280 form factor with sequential reads up to 3,500 MB/s and writes up to 3,200 MB/s. It uses the world's first 128-layer NAND flash in a consumer SSD, carries a 1,200 TBW endurance rating for the 2TB model, and is backed by a 5-year warranty. According to the SK hynix Gold P31 product brief, endurance was validated through 1,000 hours of high-stress testing.
What is the price of the SK hynix Gold P31?
As of 2026-09-14, the Gold P31 lists at approximately $59.99 for a single unit on XAIPART, with volume tiers at $56.99 (10 units), $53.99 (100 units), $50.99 (500 units), and $47.99 (1,000 units). Consumer retail pricing varies by capacity, with the 1TB and 2TB models historically selling in the $60-$150 range at major retailers such as Newegg. Verify current capacity-specific pricing before ordering.
Where to buy SK hynix Gold P31 online?
The SK hynix Gold P31 is available from XAIPART as well as major retailers including Newegg, which stocks the 2TB M.2 2280 NVMe PCIe Gen3.0 model (SKU 0D9-003U-00ME8). Amazon also lists the Gold P31 with official SK hynix product documentation. For volume purchases, XAIPART offers quantity-tiered pricing from 10 to 1,000 units with lead times quoted on request.
Is SK hynix Gold P31 still in stock and active?
The SK hynix Gold P31 is an active product per the official SK hynix SSD product page as of 2026-09-14. SK hynix continues to list the Gold P31 family on ssd.skhynix.com with full 5-year warranty support. Stock availability varies by capacity and region; XAIPART shows quote-based availability and recommends confirming lead time before committing to production schedules.
What is the difference between SK hynix Gold P31 and Platinum P41?
The Gold P31 is a PCIe Gen3 x4 NVMe SSD with up to 3,500 MB/s read speeds, while the Platinum P41 is SK hynix's flagship PCIe Gen4 drive with substantially higher throughput. Both use the same M.2 2280 form factor and the same 128-layer NAND technology platform. According to Pangoly comparison data, both drives share the M.2-2280 form factor, differing mainly in interface generation, capacity options, and peak performance.
SK hynix Gold P31 vs Samsung 970 EVO Plus - which is better?
For PCIe 3.0 systems, the SK hynix Gold P31 is generally the stronger choice due to its 128-layer NAND efficiency, up to 3,500 MB/s sequential read, and class-leading power efficiency that benefits laptop battery life. According to comparison reviews, both drives share a similar M.2 physical design, with the P31 being slightly slimmer. The 970 EVO Plus offers Samsung Magician software and Dynamic Thermal Guard; the P31 counters with a 5-year warranty and 1,200 TBW endurance on the 2TB model.
When should I choose the Gold P31 over a PCIe Gen4 SSD?
Choose the Gold P31 when your system supports PCIe 3.0 only, since a Gen4 drive cannot exceed Gen3 bandwidth on such platforms and costs more. It is also the better pick for laptops where the P31's power efficiency translates into measurably longer battery life, and for budget-conscious builds that still want premium endurance (1,200 TBW on 2TB) and a 5-year warranty. Choose a Gen4 drive like the Platinum P41 only if your motherboard and workload can exploit 7,000 MB/s-class speeds.
Is SK hynix Gold P31 suitable for gaming PCs?
Yes, the Gold P31 is well suited for gaming PCs. Its up to 3,500 MB/s sequential read and 3,200 MB/s write speeds cut game load times substantially versus SATA SSDs, and its 1,200 TBW endurance rating (2TB model) comfortably handles the write patterns of game installation, patching, and shader compilation. Note that for gaming, the difference between a Gen3 drive like the P31 and faster Gen4 drives is usually small in actual frame rates and load times.
What is the best drop-in replacement for SK hynix Gold P31?
The best drop-in replacements are any NVMe SSD in the same M.2 2280 form factor with PCIe/NVMe interface: the SK hynix Platinum P41 (same brand, Gen4), Samsung 970 EVO Plus (Gen3, near-identical speed class), Crucial T500, and Crucial P3 Plus. All physically fit the same M.2 2280 slot and use the same M-key edge connector. True drop-in compatibility also requires your system firmware to support NVMe boot, which all modern platforms do.
What is the best alternative brand equivalent for SK hynix Gold P31?
The strongest cross-brand equivalent is the Samsung 970 EVO Plus, a PCIe Gen3 x4 NVMe M.2 2280 SSD in the same performance class with comparable sequential speeds. The Crucial T500 is a newer Gen4 alternative in the same M.2 2280 footprint, and the Crucial P3 Plus offers a budget Gen4 option, though it is DRAM-less with lower endurance. Community discussions on the Framework forum also cite Solidigm P41 Plus and P44 Pro as alternatives to the Gold P31.
Where to download the SK hynix Gold P31 datasheet PDF?
The official SK hynix Gold P31 product brief and documentation are available from the manufacturer page at ssd.skhynix.com/gold_p31, and a PDF product brief is hosted via Amazon product media (m.media-amazon.com). The datasheet covers performance measurement conditions: sequential figures at 128KiB alignment (1 MB/s = 1,000,000 bytes/s) and random figures measured with IOmeter 1.1 using 4 threads at QD 32 with 4KiB alignment.
Where can I find the SK hynix Gold P31 pinout?
The Gold P31 uses the standard M.2 M-key edge connector pinout defined by the M.2 specification, identical to all M.2 2280 NVMe SSDs: PCIe x4 lanes, 3.3V power, and sideband signals on the edge fingers. SK hynix does not publish a drive-specific pinout document; consult the M.2 specification and your host motherboard manual for socket pin definitions. All M.2 2280 NVMe drives are electrically interchangeable at the connector level.
Does the Gold P31 need a heatsink?
The SK hynix Gold P31 is a single-sided M.2 2280 drive with good power efficiency, so most laptops and desktops can run it with only the motherboard's thermal solution. However, under long sustained write workloads, a heatsink or thermal pad is recommended to prevent thermal throttling, especially in desktops with limited M.2 slot airflow and on Gen3 motherboards where the chipset lane shares heat with adjacent components. Desktop motherboards frequently include an M.2 heatsink; use it.
Is the SK hynix PC711 the same drive as the Gold P31?
No, the SK hynix PC711 is a separate OEM drive, not the same product as the retail Gold P31, although both target similar PCIe 3.0-class performance and share SK hynix's NAND technology. Community discussion on Reddit notes user confusion between the two, particularly around encryption features such as TCG Opal support differing between OEM and retail firmware. For retail upgrades and warranty support, use the Gold P31; the PC711 is intended for system-integrator channels.
What endurance and warranty does the Gold P31 2TB have?
The Gold P31 2TB model carries a 1,200 TBW (Terabytes Written) endurance rating and a 5-year warranty. According to SK hynix, this endurance figure was validated through rigorous 1,000-hour stress testing. A 5-year consumer SSD warranty is among the longest in the industry, matching flagship offerings from Samsung and other premium brands, and reflects the high write endurance of the 128-layer NAND used in the P31 platform.

Engineering reference data for P31 β€” comparison, design guidance, and compliance information.

Selection Guide

Choose the SK hynix Gold P31 when you need a premium PCIe Gen3 NVMe SSD for a laptop or Gen3 desktop: its 3,500/3,200 MB/s speeds saturate Gen3 bandwidth, its 128-layer NAND gives class-leading power efficiency for battery-operated machines, and its 1,200 TBW endurance plus 5-year warranty exceed typical budget drives. Choose the Platinum P41 instead if you own a PCIe 4.0 platform and can exploit 7,000 MB/s-class speeds. Choose the Samsung 970 EVO Plus if you prefer Samsung Magician software and Dynamic Thermal Guard. Avoid the Crucial P3 Plus and Solidigm P41 Plus for sustained-write workloads - both are DRAM-less and lose performance outside SLC cache. All listed alternatives share the M.2 2280 footprint, so physical interchangeability is never the deciding factor; interface generation, DRAM cache, and endurance are.

Comparison with Alternatives

Parameter This Product Platinum P41 970 EVO Plus T500 P3 Plus
Package M.2 2280 M.2 2280 - same M.2 2280 - same M.2 2280 - same M.2 2280 - same
Brand SK Hynix SK Hynix Samsung Electronics Crucial (Micron) Crucial (Micron)
Interface PCIe Gen3 x4 PCIe Gen4 x4 PCIe Gen3 x4 PCIe Gen4 x4 PCIe Gen4 x4
Sequential Read Up to 3,500 MB/s [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
Sequential Write Up to 3,200 MB/s [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED] [DATA_NEEDED]
NAND Technology 128-layer NAND (world's first consumer SSD) SK hynix 128-layer NAND platform Samsung V-NAND [DATA_NEEDED] QLC (DRAM-less)
DRAM Cache Yes (DRAM-enabled) Yes Yes [DATA_NEEDED] No (DRAM-less)
Warranty 5 years 5 years 5 years 5 years [DATA_NEEDED]

Key Differentiators

  • World's first 128-layer NAND consumer SSD (vs 970 EVO Plus)
  • Validated high endurance (vs P3 Plus)
  • Value on Gen3 platforms (vs Platinum P41)

Design Notes

The Gold P31 relies on the host M.2 slot or chassis for cooling. In desktops, always use the motherboard's supplied M.2 heatsink when performing long sustained writes (large file transfers, video exports). Estimated: at typical Gen3 drive power levels of 5-7 W under load, a bare M.2 module on an open motherboard can approach thermal-throttling temperatures within minutes of continuous sequential writes. In laptops, the P31's class-leading efficiency makes it a preferred choice where throttling is a known risk.

Verify your system supports NVMe M-key M.2 slots before purchase. Some older laptops provide SATA-only M.2 B-key sockets that are physically similar but electrically incompatible with the P31. Additionally, check BIOS/firmware NVMe boot support on pre-2015 platforms. Note that OEM drives such as the SK hynix PC711 share similar silicon but differ in firmware and encryption features (e.g., TCG Opal) and are not interchangeable with retail Gold P31 warranty support.

Install the Gold P31 in the CPU-attached M.2 slot on desktop platforms to guarantee full PCIe Gen3 x4 bandwidth. Chipset-attached slots may share lanes with SATA or other M.2 ports, reducing achievable speed below the drive's 3,500 MB/s capability. Check the motherboard manual for lane-sharing tables before finalizing slot choice, and avoid populating both a shared M.2 slot and its paired SATA ports simultaneously.

Compliance Information

RoHS
Unknown
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
Unknown
Halogen Free
Unknown
Conflict Minerals
Unknown

Compliance status not stated in the provided web data; consult the official SK hynix product page for RoHS/REACH declarations.

Data verified on: 2026-09-14 β€” data verified and curated by XAIPART's component engineering team

Related Searches

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Related Components & Terms

SK hynix SK Hynix Gold P31 Platinum P41 PC711 Samsung 970 EVO Plus Crucial T500 Crucial P3 Plus Solidigm P41 Plus NVMe PCIe Gen3 x4 M.2 2280 128-layer NAND solid state drive SSD TBW Terabytes Written IOmeter 5-year warranty M-key edge connector DRAM cache consumer SSD laptop storage upgrade gaming PC storage
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