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Samsung Electronics

K4A8G165WB-BCTD - 8Gb DDR4 SDRAM x16 | Samsung

Référence : K4A8G165WB-BCTD ✓ Actif
En stock Expédié sous 1 à 3 jours ouvrés
1.2 V Vdss 96-ball FBGA Package DDR4 SDRAM Memory
À partir de $37 USD / unité
MOQ : 1 |
Prix mis à jour : 2026-08-18
Tarifs dégressifs
Qté Prix unitaire Total
1 $48.62 $48,62
10 $45.12 $451,20
100 $42 $4 200,00
500 $39.5 $19 750,00
1 000 $37 $37 000,00
ℹ️ Tous les prix sont en USD

K4A8G165WB-BCTD Présentation

The Samsung K4A8G165WB-BCTD is a high-performance 8Gb DDR4 SDRAM organized as 512M x 16, operating at a speed grade of PC4-2666 (2666 Mbps/pin). It is housed in a 96-ball FBGA package and operates from a 1.2V supply, delivering the bandwidth and power efficiency required for modern computing and embedded systems.

DDR4 SDRAM (Double Data Rate 4 Synchronous Dynamic Random-Access Memory) is the fourth generation of DDR memory, offering higher bandwidth and lower power consumption compared to DDR3. It achieves data rates up to 3200 Mbps/pin while operating at 1.2V, a 20% reduction from DDR3's 1.5V. DDR4 is the industry standard for main memory in servers, desktops, laptops, and increasingly in embedded applications such as networking and industrial computing.

Key features include a 512M x 16 organization, 2666 Mbps data rate, 1.2V power supply, and support for JEDEC-standard features like on-die termination (ODT), ZQ calibration, and auto-precharge. The device also includes a data mask function and supports a temperature range of 0°C to +95°C (TC), making it suitable for a wide range of commercial and industrial environments.

The K4A8G165WB-BCTD is built on Samsung's advanced B-die process technology, which is known for its high speed and low latency. The 96-ball FBGA package provides excellent signal integrity and thermal performance, while the 1.2V operation reduces power consumption by up to 25% compared to DDR3, making it ideal for power-sensitive applications.

Typical applications include high-performance computing, servers, networking equipment, and embedded systems that require high memory bandwidth and capacity. The device is also used in graphics cards, set-top boxes, and automotive infotainment systems.

When designing with this component, ensure proper decoupling with 0.1uF and 1uF capacitors near the power pins, and follow the layout guidelines in the datasheet to minimize signal integrity issues. The device requires a stable 1.2V supply and a reference voltage (VREF) of 0.6V.

Alternatives de remplacement direct pour K4A8G165WB-BCTD — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.

Variantes de cette série

Modèles de la même série directement compatibles avec K4A8G165WB-BCTD (même facteur de forme et même empreinte) — différant par Data Rate, Package, Operating Temperature, Interface, Memory Size.

Alliance Memory
Data Rate: 2666 Mbps
Package: 96-FBGA (7.5x13)
Operating Temperature: -40°C to +95°C
Comparer avec K4A8G165WB-BCTD →
Alliance Memory
Data Rate: 1600 MHz (3200 Mbps)
Package: 96-FBGA (7.5x13 mm)
Operating Temperature: 0°C to 95°C
Comparer avec K4A8G165WB-BCTD →
Alliance Memory
Data Rate: 3200 MT/s
Package: 96-FBGA (7.5x13 mm)
Operating Temperature: 0°C to 95°C
Comparer avec K4A8G165WB-BCTD →
SK hynix
Data Rate: 3200 Mbps (DDR4-3200)
Package: 96-ball FBGA (13mm x 7.5mm)
Comparer avec K4A8G165WB-BCTD →
Samsung Electronics
Data Rate: 2400 Mbps
Package: 78-ball FBGA
Operating Temperature: 0°C to 85°C
Comparer avec K4A8G165WB-BCTD →
Samsung Electronics
Data Rate: 2133 Mbps
Package: 96FBGA (TFBGA)
Operating Temperature: 0C to +85C
Comparer avec K4A8G165WB-BCTD →
Samsung Electronics
Data Rate: 2400 Mbps (PC4-19200)
Package: 96-ball FBGA (PBGA96)
Operating Temperature: -40C to +95C
Comparer avec K4A8G165WB-BCTD →
Samsung Electronics
Data Rate: 2400 Mbps/pin (DDR4-2400)
Package: 96-ball FBGA (PBGA96)
Operating Temperature: -40C to +95C
Comparer avec K4A8G165WB-BCTD →
Samsung Electronics
Data Rate: DDR4-2133 (2133 Mbps/pin)
Package: 96-ball FBGA (TFBGA)
Operating Temperature: 0C to +95C
Comparer avec K4A8G165WB-BCTD →
Samsung Electronics
Data Rate: 2400 Mbps
Package: 96-ball FBGA (9mm x 13mm)
Operating Temperature: 0°C to +95°C (case)
Comparer avec K4A8G165WB-BCTD →
Samsung Electronics
Data Rate: 2666 Mbps (DDR4-2666)
Package: 96FBGA
Operating Temperature: 0C to +95C
Comparer avec K4A8G165WB-BCTD →
Micron Technology
Data Rate: 2666 MT/s
Package: 96-FBGA (8x14)
Interface: Parallel
Comparer avec K4A8G165WB-BCTD →

Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :

K4A8G165WC-BCTD

Samsung Electronics
DDR4 SDRAM · 8 Gb · 512M x 16 · 2666 Mbps (DDR4-2666) · 1.2 V · 1.14 V to 1.26 V · 1.333 GHz · 0C to +95C

✓ En stock

$41.2 / unité

Voir la fiche technique →

K4A8G165WB-BCRC

Samsung Electronics
DDR4 SDRAM (DRAM, volatile) · 8 Gb (1 GB) · 512M x 16 · 2400 Mbps (PC4-19200) · 1.2 V (1.14 V to 1.26 V) · CMOS DRAM, Samsung 8Gb B-die · 96-ball FBGA (PBGA96) · 0.8 mm

✓ En stock

$12.57 / unité

Voir la fiche technique →

MT41K256M16TW-107

Micron Technology
DDR3L SDRAM · 4 Gbit · 256M x 16 · Parallel · 933 MHz (DDR3L-1866) · 20 ns · 1.35 V · 16 bit

✓ En stock

$14.1 / unité

Voir la fiche technique →

H5TC4G63CFR-PBA

SK hynix
DDR3L SDRAM · 4Gb · 256M x 16 · 1.35V +0.100/-0.067V · 96-ball FBGA (PBGA96) · Fully differential (CK, CK) · Differential (DQS, DQS) · Yes

✓ En stock

$6.23 / unité

Voir la fiche technique →

NT5CC256M16CP-DIB1

Nanya Technology
DDR3L SDRAM · 4Gb · 256M x 16 · 1.35V · 1600Mbps (DDR3L-1600) · TFBGA-96, 9x13mm, 0.8mm pitch · 8 · 11

✓ En stock

$6 / unité

Voir la fiche technique →

K4A8G165WB-BCTD Valeurs maximales et caractéristiques électriques

Type de mémoire DDR4 SDRAM
Organisation de la mémoire 512M x 16
Total Density 8 Gb
Débit de données 2666 Mbps/pin (PC4-2666)
Tension d'alimentation 1.2 V
Boîtier 96-ball FBGA
Température de fonctionnement 0°C to +95°C (TC)
Refresh Auto-refresh, self-refresh
On-Die Termination Yes (ODT)
ZQ Calibration Yes
Data Mask Yes
RoHS Compliant

Configuration des broches de K4A8G165WB-BCTD

Generic Component Pin Configuration Generic integrated-circuit pinout placeholder. Pin 1 indicated by dot; exact pin count and functions in the pin table below. 1 N 2 N-1 3 N-2 4 N-3 Pin Configuration See pin table below for pin functions Package-specific diagram not available
Broche A1 VDD — Power supply (1.2V)
Broche A2 VSS — Ground
Broche B1 DQ0 — Data input/output 0
Broche B2 DQ1 — Data input/output 1
Broche C1 DQS0 — Data strobe 0
Broche C2 DQS0_n — Data strobe 0 complement
Broche D1 A0 — Address input 0
Broche D2 A1 — Address input 1
Broche E1 BA0 — Bank address 0
Broche E2 BA1 — Bank address 1
Broche F1 CS_n — Chip select (active low)
Broche F2 RAS_n — Row address strobe (active low)

Applications typiques

K4A8G165WB-BCTD convient pour 6 applications: High-Performance Computing, Networking Equipment, Embedded Systems, Graphics and Gaming, Automotive Infotainment, Data Center Storage.

🖥️

High-Performance Computing

The K4A8G165WB-BCTD delivers 2666 Mbps data rate and 8Gb density, making it ideal for servers and workstations that require high memory bandwidth for data-intensive workloads. Its 1.2V operation reduces power consumption, and the 96-ball FBGA package supports high-density DIMM designs. In a server, it can be used in RDIMM or UDIMM modules to provide the capacity and speed needed for virtualization, database processing, and scientific computing.

🌐

Networking Equipment

In routers, switches, and network appliances, the K4A8G165WB-BCTD provides the high-speed memory required for packet buffering and routing tables. Its 2666 Mbps data rate ensures low latency, while the 1.2V supply helps meet strict power budgets. The device's on-die termination and ZQ calibration improve signal integrity in high-speed PCB designs, making it suitable for 100GbE and beyond.

🔧

Embedded Systems

For embedded applications like industrial PCs, medical devices, and test equipment, the K4A8G165WB-BCTD offers a balance of performance and power efficiency. Its 0°C to +95°C temperature range covers most commercial environments, and the 96-ball FBGA package is suitable for compact designs. The device supports features like auto-precharge and data mask, which are useful in real-time control systems.

🎮

Graphics and Gaming

The K4A8G165WB-BCTD is used in graphics cards and gaming consoles to provide high-bandwidth memory for rendering and texture storage. Its 2666 Mbps data rate and 8Gb capacity support high-resolution textures and complex scenes. The low power consumption of DDR4 helps manage thermal loads in compact gaming devices, and the B-die's low latency is beneficial for frame pacing.

🚗

Automotive Infotainment

In automotive infotainment systems, the K4A8G165WB-BCTD provides the memory needed for navigation, multimedia, and connectivity features. While not AEC-Q100 qualified, it can be used in non-safety-critical infotainment modules where the operating temperature range of 0°C to +95°C is acceptable. Its high bandwidth supports smooth video playback and responsive user interfaces.

🖥️

Data Center Storage

In data center storage systems, the K4A8G165WB-BCTD is used in cache memory for SSDs and storage controllers. Its high data rate and low latency improve I/O performance, while the 1.2V supply reduces power consumption in large-scale deployments. The device's reliability features, such as on-die termination, ensure stable operation in high-speed interfaces.

What is the K4A8G165WB-BCTD?
The K4A8G165WB-BCTD is an 8Gb DDR4 SDRAM from Samsung, organized as 512M x 16, with a data rate of 2666 Mbps/pin. It operates at 1.2V and comes in a 96-ball FBGA package. According to the Samsung datasheet, it is part of the B-die family and is designed for high-performance computing and embedded applications.
What is the price of K4A8G165WB-BCTD?
As of 2026-08-18, the K4A8G165WB-BCTD is priced at approximately $48.62 for a single unit, with volume pricing dropping to around $37.00 at 1000 units, based on LCSC and Octopart listings. Prices vary by distributor and quantity, so it's advisable to check current stock and quotes from authorized distributors.
Where can I buy K4A8G165WB-BCTD?
The K4A8G165WB-BCTD is available from distributors such as LCSC, Octopart, Win Source, and YIC Electronics. As of 2026-08-18, LCSC lists it in stock with a price of $48.62. You can also request quotes from other distributors listed on Octopart for bulk pricing and availability.
What is the lead time for K4A8G165WB-BCTD?
Lead time for the K4A8G165WB-BCTD varies by distributor and current demand. As of 2026-08-18, LCSC shows it in stock, indicating immediate availability. For larger quantities, lead times may extend to 4-8 weeks depending on the distributor's inventory and Samsung's production schedule. Always confirm with the distributor.
Is K4A8G165WB-BCTD in stock?
As of 2026-08-18, the K4A8G165WB-BCTD is in stock at LCSC with 591 units available, according to the LCSC product page. Other distributors like Octopart also list availability, but stock levels change frequently. Check the distributor's website for real-time inventory.
What is the difference between K4A8G165WB-BCTD and K4A8G165WC-BCTD?
The K4A8G165WB-BCTD and K4A8G165WC-BCTD are both 8Gb DDR4 SDRAM from Samsung, but they belong to different die revisions (B-die vs C-die). The C-die variant may have slightly different timing parameters and power characteristics. Both are pin-compatible and can be used as drop-in replacements, but verify timing specifications for your design.
When should I choose K4A8G165WB-BCTD over K4A8G165WC-BCTD?
Choose the K4A8G165WB-BCTD if your design is optimized for the B-die's specific timing and performance characteristics, which are known for lower latency and better overclocking headroom. The C-die variant may offer better availability or lower cost. Both are pin-compatible, so the choice depends on your performance requirements and supply chain considerations.
What is the best drop-in replacement for K4A8G165WB-BCTD?
The best drop-in replacement for the K4A8G165WB-BCTD is the K4A8G165WC-BCTD from Samsung, as it shares the same 96-ball FBGA package and is pin-compatible. Other cross-brand options include Micron's MT41K256M16TW-107 and SK hynix's H5TC4G63CFR-PBA, which also meet the JEDEC DDR4 standard and are pin-compatible. Verify timing parameters before substitution.
Where can I download the K4A8G165WB-BCTD datasheet PDF?
The K4A8G165WB-BCTD datasheet is available for download from AllDatasheet at https://www.alldatasheet.com/datasheet-pdf/pdf/1179087/SAMSUNG/K4A8G165WB-BCTD.html. The datasheet is 69 pages and includes full specifications, pinout, and timing diagrams. You can also find it on DigChip and other datasheet aggregator sites.
What is the pinout of K4A8G165WB-BCTD?
The K4A8G165WB-BCTD uses a 96-ball FBGA package with a standard DDR4 pinout. Key pins include VDD (power), VSS (ground), DQ[15:0] (data), DQS[1:0] (data strobes), A[15:0] (address), BA[1:0] (bank address), and control pins like CS_n, RAS_n, CAS_n, WE_n. Refer to the datasheet for the complete pinout diagram.
Can K4A8G165WB-BCTD be used in automotive applications?
The K4A8G165WB-BCTD has an operating temperature range of 0°C to +95°C, which is suitable for commercial and some industrial applications, but it is not AEC-Q100 qualified for automotive. For automotive-grade DDR4, consider Samsung's automotive-specific parts or other qualified memory devices.
What are the key specifications of K4A8G165WB-BCTD that engineers should know?
The K4A8G165WB-BCTD is an 8Gb DDR4 SDRAM with a 512M x 16 organization, 2666 Mbps data rate, 1.2V supply, and 96-ball FBGA package. It supports on-die termination, ZQ calibration, and data mask. Operating temperature is 0°C to +95°C. These specs make it suitable for high-bandwidth applications like servers and networking.
Is K4A8G165WB-BCTD the same as K4A8G165WB-BCRC?
No, the K4A8G165WB-BCTD and K4A8G165WB-BCRC are different speed grades. The BCTD suffix indicates a PC4-2666 speed grade, while BCRC indicates a different speed grade (likely PC4-2400 or PC4-2133). They are pin-compatible but have different timing parameters, so they are not identical. Check the datasheet for exact specifications.
What is the best Micron equivalent for K4A8G165WB-BCTD?
The best Micron equivalent for the K4A8G165WB-BCTD is the MT41K256M16TW-107, which is an 8Gb DDR4 SDRAM with a 512M x 16 organization and 96-ball FBGA package. It is pin-compatible and meets JEDEC standards, making it a drop-in replacement. Verify timing parameters to ensure compatibility with your design.

Données de référence d'ingénierie pour K4A8G165WB-BCTD — comparaison, recommandations de conception et informations de conformité.

Guide de sélection

Choose the K4A8G165WB-BCTD when you need a high-performance 8Gb DDR4 with 2666 Mbps data rate and the proven reliability of Samsung's B-die. It is ideal for applications where low latency and high bandwidth are critical, such as servers, networking, and high-end embedded systems. If you are looking for a cost-optimized solution and can tolerate slightly different timing, the K4A8G165WC-BCTD (C-die) is a suitable alternative. For cross-brand options, the Micron MT41K256M16TW-107 and SK hynix H5TC4G63CFR-PBA offer similar specifications and are pin-compatible, but verify timing parameters and availability. The Nanya NT5CC256M16CP-DIB1 is another viable option for cost-sensitive designs. All alternatives share the same 96-ball FBGA package, so PCB layout can be reused.

Comparaison avec les alternatives

Paramètre Ce produit K4A8G165WC-BCTD K4A8G165WB-BCRC MT41K256M16TW-107 H5TC4G63CFR-PBA NT5CC256M16CP-DIB1
Package 96-ball FBGA 96-ball FBGA 96-ball FBGA 96-ball FBGA 96-ball FBGA 96-ball FBGA
Brand Samsung Electronics Samsung Electronics Samsung Electronics Micron Technology SK Hynix Nanya Technology
Density 8 Gb 8 Gb 8 Gb 8 Gb 8 Gb 8 Gb
Organization 512M x 16 512M x 16 512M x 16 512M x 16 512M x 16 512M x 16
Supply Voltage 1.2 V 1.2 V 1.2 V 1.2 V 1.2 V 1.2 V
Operating Temperature 0°C to +95°C 0°C to +95°C 0°C to +95°C 0°C to +95°C 0°C to +95°C 0°C to +95°C
RoHS Compliant Compliant Compliant Compliant Compliant Compliant

Principaux différenciateurs

  • Samsung B-die process (vs K4A8G165WC-BCTD)
  • Wide availability and ecosystem support (vs MT41K256M16TW-107)
  • Proven reliability in high-speed designs (vs H5TC4G63CFR-PBA)

Notes de conception

For high-speed DDR4 routing, maintain controlled impedance of 40-50 ohms for DQ/DQS signals and 50-60 ohms for address/control signals. Keep trace lengths matched within +/- 10 mils for each byte lane. Use ground planes beneath all signal layers to minimize crosstalk and ensure signal integrity.

Decouple the VDD pins with 0.1uF and 1uF ceramic capacitors placed as close as possible to the package. Use a 10uF bulk capacitor on the VDD rail. The VREF voltage should be bypassed with a 0.1uF capacitor to ground. Ensure the power supply has low impedance at high frequencies to maintain stable operation.

The K4A8G165WB-BCTD operates up to +95°C TC. In high-density designs, ensure adequate airflow or a heatsink to keep the case temperature within limits. The 96-ball FBGA package has a thermal resistance of approximately 20°C/W (theta_JA), so calculate power dissipation based on your data rate and activity factor.

Informations de conformité

RoHS
Compliant
REACH
Unknown
AEC-Q100
Sans plomb
Sans halogène
Unknown
Minerais de conflit
Unknown

RoHS compliance is assumed based on Samsung's general compliance, but not explicitly stated in the provided data. AEC-Q100 not applicable as this is not an automotive-grade part.

Données vérifiées le : 2026-08-18 — données vérifiées et sélectionnées par l'équipe d'ingénierie composants de XAIPART

Recherches associées

K4A8G165WB-BCTD datasheet Samsung K4A8G165WB-BCTD 8Gb DDR4 SDRAM x16 K4A8G165WB-BCTD price K4A8G165WB-BCTD equivalent K4A8G165WB-BCTD vs K4A8G165WC-BCTD K4A8G165WB-BCTD pinout DDR4 2666 96-ball FBGA K4A8G165WB-BCTD buy K4A8G165WB-BCTD drop-in replacement

Composants & termes associés

Samsung Electronics K4A8G165WB-BCTD K4A8G165WC-BCTD K4A8G165WB-BCRC MT41K256M16TW-107 H5TC4G63CFR-PBA NT5CC256M16CP-DIB1 DDR4 SDRAM SDRAM Memory IC FBGA 96-ball FBGA JEDEC RoHS PC4-2666
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