RTS5772DL - PCIe Gen4x4 NVMe SSD Controller (DRAM-less) | Realtek
料号： RTS5772DL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.5 | $9.50 |
| 10 | $8.55 | $85.50 |
| 100 | $7.6 | $760.00 |
| 500 | $6.85 | $3,425.00 |
| 1,000 | $6.1 | $6,100.00 |
RTS5772DL 概述
Background - What is an NVMe SSD controller: An NVMe (Non-Volatile Memory Express) SSD controller is a specialized ASIC that bridges the PCIe bus and NAND flash memory, translating host-side NVMe commands into flash transactions and managing wear-leveling, garbage collection, and ECC. NVMe controllers sit one layer above NAND flash in the storage hierarchy and below the host system's PCIe root complex. The DRAM-less category is a sub-class of NVMe controllers that omits external DRAM, using Host Memory Buffer (HMB) over PCIe to cache the flash translation table (FTB) instead. This sub-class is optimized for cost-sensitive mainstream SSDs where absolute performance is traded for bill-of-materials savings.
Key features of the RTS5772DL include PCIe Gen 4 x4 host interface support, NVMe 1.4c protocol compliance, four NAND channels, support for 3D TLC and QLC NAND, hardware AES-256 encryption, end-to-end data protection, and integrated thermal monitoring. The controller targets mainstream capacity points typically used in M.2 2280 SSDs ranging from 256 GB up to 8 TB.
Architecture-wise, the RTS5772DL integrates a multi-core Cortex-class processor subsystem with hardware-accelerated LDPC ECC engines, a DRAM-less FTB cache using HMB, and a NAND interface supporting ONFI 4.2 / Toggle 3.0/4.0 with speeds up to 1200 MT/s per channel. The host-side supports PCIe 4.0 x4 with lane reversal and polarity inversion for layout flexibility.
Typical applications include mainstream consumer NVMe SSDs such as the Teamgroup MP44L 2 TB and Klevv CRAS C910 1 TB/4 TB, entry-level client SSDs, OEM pre-built PC NVMe storage, and budget gaming consoles and laptops. Per the Realtek roadmap, the RTS5772DL achieves up to 1200K IOPS random read, well above the 600K typical of PCIe Gen 3 controllers.
Design consideration: When designing with the RTS5772DL, allocate a small portion of system DRAM (typically 64 MB) for HMB via NVMe HMB feature for optimal performance. Ensure adequate heatsinking on the M.2 form factor since PCIe Gen 4 controllers can dissipate 2.5-3.0 W under load.
This page synthesizes distributor cross-reference data, SSD product implementations, and manufacturer roadmap data not found in a single source, providing engineers with a quick-reference view of the RTS5772DL for SSD product development and component sourcing.
直接替换替代料： RTS5772DL ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： RTS5772DL （相同外形与封装尺寸） ——差异在于 Product Type, Error Correction, Host Interface, NAND Interface Speed, NAND Type Support.
快速对比工具——选择替代料号进行并排对比：
RTS5766DL
✅ 直接替换✓ 有现货
$2.2 / 个
查看数据手册 →RTS5732DL
✅ 直接替换📋 参考替代料（不在目录中）
RTS5782
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →PS5025-E25-25
✅ 直接替换📋 参考替代料（不在目录中）
SM2267XT
✅ 直接替换✓ 有现货
联系询价
查看数据手册 →RTS5772DL 规格参数
| Product Type | NVMe SSD Controller (DRAM-less) |
| Host Interface | PCIe Gen 4.0 x4 |
| NVMe Protocol | NVMe 1.4 |
| Sequential Read (IOPS) | 1200K |
| Sequential Write (IOPS) | 1200K |
| External DRAM | Not supported (DRAM-less) |
| HMB (Host Memory Buffer) | Supported |
| NAND Type Support | 3D TLC, QLC |
| Encryption | AES-256 hardware |
| End-to-End Data Protection | Supported |
| ECC | LDPC hardware engine |
| PCI Device ID | 10EC:5772 |
| Engineering Sample Availability | Q4 2024 (per roadmap) |
| Target Form Factor | M.2 2280 SSD |
| RoHS Compliance | Compliant (per Realtek standard policy) |
RTS5772DL standard 引脚配置指南
RTS5772DL（standard 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： RTS5772DL.
请参阅 数据手册 以查看完整引脚配置。
典型应用
RTS5772DL 适用于 6 应用s: Mainstream Consumer NVMe SSD, Entry-Level OEM Pre-Built PC Storage, Gaming Laptop NVMe Storage, Budget Gaming Console NVMe Storage, Industrial / Embedded M.2 Storage, Mainstream External / Portable NVMe Enclosure.
Mainstream Consumer NVMe SSD
The RTS5772DL's DRAM-less architecture and PCIe Gen 4 x4 interface (1200K IOPS) make it ideal for cost-sensitive M.2 2280 NVMe SSDs such as the Teamgroup MP44L and Klevv CRAS C910. Place the controller between the M.2 PCIe edge connector and four NAND packages; pair with mainstream 3D TLC like SK Hynix V6 512Gb (128-layer) or Kioxia BiCS5 TLC 512Gb (112-layer). The HMB feature uses 64 MB of host DRAM via NVMe commands, eliminating external DRAM cost while still achieving ~1200K IOPS random read - well above the ~600K IOPS typical of PCIe Gen 3 controllers.
推荐
Entry-Level OEM Pre-Built PC Storage
OEM system builders need cost-effective NVMe SSDs for pre-built desktops and laptops, and the RTS5772DL fits this profile with its DRAM-less cost-down architecture. Place 256 GB to 1 TB SSDs in M.2 2280 slots supporting PCIe Gen 4 x4; the controller's lower power profile (versus DRAM-equipped controllers) helps meet OEM thermal envelopes. Hardware AES-256 encryption satisfies TCG Opal-aware OEM security requirements, while LDPC ECC corrects raw bit errors on 3D TLC/QLC. The 1200K IOPS provides SATA-SSD replacement responsiveness at NVMe pricing, supporting OEM tier-1 build-to-stock channels.
推荐
Gaming Laptop NVMe Storage
Gaming laptops need balanced SSD performance with constrained thermal budgets, and the RTS5772DL's 1200K IOPS with low typical PCIe Gen 4 power dissipation (under 3 W) supports these platforms. Place the SSD behind the M.2 slot with a thin heat-spreader; the controller's lower power profile avoids the 4-5 W thermal envelope of high-end PCIe Gen 4 SSD controllers, helping meet Ultrabook thermal budgets. Pair with 1 TB to 4 TB of TLC NAND from SK Hynix V6 (128-layer) or Kioxia BiCS5 (112-layer) - both validated with this controller in shipping designs.
推荐
Budget Gaming Console NVMe Storage
Mainstream gaming consoles and Steam Deck-class handheld gaming PCs benefit from the RTS5772DL's DRAM-less architecture when paired with QLC NAND. Configure with 512 GB to 2 TB QLC for optimized $/GB while still achieving 1200K IOPS random read - well above the threshold needed for asset streaming and quick game loading. The controller's HMB-over-PCIe allows tight cost-down board designs without external DRAM, reducing BOM cost and lowering the Z-height for handheld gaming enclosures. AES-256 protects digital game licensing against offline attacks.
推荐
Industrial / Embedded M.2 Storage
Industrial embedded systems and networking appliances often deploy M.2 NVMe storage for OS and edge cache, where the RTS5772DL provides mainstream performance in a compact BGA. Place the controller behind the M.2 connector with an industrial-temperature NAND (typically TLC or pSLC mode for endurance); activate the AES-256 engine for data-at-rest protection. The LDPC ECC plus end-to-end data path protection mitigates raw bit error rates in thermally-stressed industrial environments, while NVMe 1.4 compliance ensures compatibility with edge AI inference devices using NVMe-backed scratch storage.
推荐
Mainstream External / Portable NVMe Enclosure
External USB 3.2 Gen2x2 / Thunderbolt-to-NVMe enclosures benefit from the RTS5772DL's mainstream cost-down architecture paired with QLC NAND for budget portable SSDs. Place the M.2 2280 SSD behind a bridge controller (e.g., Realtek RTL9210); the 1200K IOPS host-side bottleneck is masked by the USB/Thunderbolt bridge speed anyway, making the controller ideal for portable SSD enclosures targeting $/GB pricing. AES-256 hardware encryption protects user data when the drive is removed and lost; LDPC handles QLC error rates typical at higher NAND density points.
推荐
推荐产品汇总
工程参考数据： RTS5772DL ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | RTS5766DL | RTS5732DL | RTS5782 | PS5025-E25-25 | SM2267XT |
|---|---|---|---|---|---|---|
| Brand | Realtek | Realtek | Realtek | Realtek | Phison | Silicon Motion |
| Package | BGA (Realtek SSD-controller family) | BGA (same family) | BGA (same family) | BGA (same family) | BGA (Phison equivalent form factor) | BGA (SMI equivalent form factor) |
| PCIe Generation | PCIe Gen 4.0 x4 | PCIe Gen 3.0 x4 | PCIe Gen 3.0 x4 | PCIe Gen 5.0 x4 | PCIe Gen 4.0 x4 | PCIe Gen 4.0 x4 |
| Random Read IOPS | 1200K | ~600K | ~400K | Higher target | higher class | comparable class |
| DRAM Support | DRAM-less (HMB) | DRAM-less (HMB) | DRAM-less (HMB) | DRAM-less | DRAM-less | DRAM-less |
| NVMe Protocol | NVMe 1.4 | NVMe 1.4 | NVMe 1.3 | NVMe 2.0 | NVMe 1.4 | NVMe 1.4 |
| Encryption | AES-256 hardware | AES-256 | AES-256 | AES-256 | AES-256 | AES-256 |
| ECC | LDPC hardware | LDPC hardware | LDPC hardware | LDPC hardware | LDPC hardware | LDPC hardware |
关键差异点
- Higher IOPS class for a DRAM-less mainstream Realtek controller （对比 RTS5766DL)
- Same firmware toolchain and reference design stack as other Realtek controllers （对比 Phison PS5025-E25)
- Validated with both Kioxia BiCS5 and SK Hynix V6 mainstream NAND （对比 Silicon Motion SM2267XT)
设计说明
Estimated: The RTS5772DL in a typical PCIe Gen 4 DRAM-less configuration dissipates roughly 2.5-3.0 W at peak sequential workloads (1200K IOPS class). In a confined M.2 2280 SSD slot, this typically requires a thermal spreader or thin heat pad to keep junction temperatures within NAND reliability margins (under 70 degC). Engineers should validate thermal envelope in the final chassis; an M.2 slot without airflow can hit thermal throttle thresholds in laptops.
Place the RTS5772DL BGA between the M.2 PCIe edge connector and the four NAND packages. Maintain solid ground plane under the BGA for thermal dissipation and signal integrity. Length-match the eight NAND channels (each pair of DQ lines) within the manufacturer's published skew budget (typically 25 mils for ONFI 4.2 at 1200 MT/s). Use the controller's PCIe lane-reversal feature to ease board layout when the M.2 connector is on the opposite side.
The RTS5772DL does NOT include external DRAM; ensure the host system BIOS enables NVMe HMB and allocates at least 64 MB of system DRAM for the HMB region. Without HMB enabled, sustained random IOPS performance degrades by 60-70% (1200K drops to ~400K IOPS). Additionally, validate that the host platform's NVMe driver supports the HMB feature; older kernels may need updating per linux-hardware.org LKDDb support reference for pci:10ec-5772.
Recommended: Use a 3.3V main rail with adequate decoupling capacitors (typically 10 uF bulk + 0.1 uF high-frequency bypass per VCC pin) at the BGA power balls. The RTS5772DL integrates core voltage regulators internally; no external regulator is required. Provide a low-impedance path for the PCIe REFCLK+ / REFCLK- differential pair from the host clock to the controller's reference clock input.
合规信息
Compliance inferred from Realtek standard product policies. Not AEC-Q100 qualified (consumer/mainstream SSD target market). For industrial or automotive SSD applications, contact Realtek for AEC-Q100-qualified controllers.
