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HP Smart Kit memory offers stable registered RAM performance.
672631-B21
HP 16GB 2RX4 PC3-12800R SMART KIT
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Name:
672631-B21
- Description:
- HP 16GB 2RX4 PC3-12800R SMART KIT
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hp
- GTIN:
- 800265816015
- Condition:
3 Year Extended Warranty
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672631-B21 Overview
672631-B21 is a DDR4 desktop memory module in a UDIMM form factor delivering a speed of 3200 MHz with a CAS latency of CL16 and operating at 1.35V. It comes as a 16 GB dual channel kit with non-ECC and unbuffered specifications, providing reliable performance for gaming, workstation, and overclocking builds.
Engineered with an integrated heatspreader for enhanced thermal management, 672631-B21 is optimized for modern desktop environments and is fully compatible with contemporary Intel 13th Gen and AMD Ryzen 5000 platforms. The module is designed without RGB lighting to focus on stability and efficiency in high-demand scenarios, making it ideal for users seeking robust, general use and performance-driven memory solutions.
672631-B21 price is is available on request. Get immediate quote.
Request bulk order quote for 672631-B21 for additional pricing. Browse the full Hp Memory & Ram series or explore all Hp products.
672631-B21 Specifications
- Product Type
- Computer Memory
- Memory Type
- DDR4
- Capacity
- 16 GB
- Compatible Platforms
- Desktop
- Compatible Systems
- Tower Server
- Form Factor
- UDIMM
- Kit Configuration
- Dual Channel
- Speed
- 3200 MHz
- Operating Temperature
- N/A
- Reliability Rating
- Standard
- CAS Latency (CL)
- CL16
- Voltage
- 1.35V
- ECC Support
- No
- Registered/Buffered
- Unbuffered
- XMP Support
- Intel XMP 2.0
- RGB Lighting
- No
- Heatsink / Heatspreader
- Yes
- Intel Platform Support
- Intel 13th Gen
- AMD Platform Support
- AMD Ryzen 5000
- Use Case
- Gaming
- Product Name
- 672631-B21
- Height
- 1.2 inches
- Width
- 5.3 inches
- Depth
- 0.5 inches
- Weight
- 0.3 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 672631-B21 |  T9V39AA |  Y7B57AA |  1XD87AA |  7ZZ66AA | |
|---|---|---|---|---|---|
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR4 | DDR4 |
| Capacity | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Compatible Platforms | Desktop | Desktop / Laptop / Server | Desktop | Desktop | Desktop |
| Compatible Systems | Tower Server | Workstation | Workstation | Tower Server / Workstation | Workstation |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Dual Channel | Dual Channel | Dual Channel | Dual Channel | Dual Channel |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | High Reliability | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL16 | CL16 |
| Voltage | 1.35V | 1.2V | 1.35V | 1.35V | 1.35V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 | Intel XMP 2.0 |
| RGB Lighting | No | No | No | Yes | Yes |
| Heatsink / Heatspreader | Yes | Yes | Yes | Yes | Yes |
| Intel Platform Support | Intel 13th Gen | Intel 12th Gen | Intel 12th Gen | Intel 12th Gen | Intel 12th Gen |
| AMD Platform Support | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 | AMD Ryzen 5000 |
| Use Case | Gaming | Gaming | Gaming | Gaming | Gaming / Workstation |
| Product Name | 672631-B21 | T9V39AA 16GB DDR4 3200MHz UDIMM | Y7B57AA High Performance DDR4 Memory Module | 1XD87AA High Performance DDR4 Memory Kit | 7ZZ66AA 16GB DDR4 Dual Channel UDIMM Memory Kit |
| Height | 1.2 inches | N/A | 1.2 inches | 1.2 inches | 1.4 inches |
| Width | 5.3 inches | N/A | 5.3 inches | 5.25 inches | 5.0 inches |
| Depth | 0.5 inches | N/A | 0.5 inches | 0.5 inches | 0.5 inches |
| Weight | 0.3 lbs | N/A | 0.3 lbs | 0.15 lbs | 0.31 lbs |
Reviews & Ratings
C
Carla Jennings
4
Reliable server-grade memory with consistent uptime.
D
Dustin Harper
5
Seamless installation in our rack servers.
M
Meghan Lawson
3
Dependable ECC registered RAM for enterprise workloads.
T
Travis Monroe
4
Improved server stability immediately.
Questions & Answers
What is HP SKU 672631-B21 16GB 2Rx4 PC3-12800R Smart Kit?
The HP 672631-B21 Smart Kit is a 16GB registered DDR3 memory module (2Rx4) running at PC3-12800R (1600 MT/s) with ECC support, engineered for HP ProLiant servers to ensure reliability and performance.
What does PC3-12800R mean in this memory kit?
PC3-12800R denotes DDR3 registered memory operating at 1600 MT/s with error-correcting code (ECC) and register buffering for server-class stability.
Which HP servers are compatible with the 672631-B21 Smart Kit?
The HP 672631-B21 kit is validated for ProLiant DL, ML, and BL series Gen8, Gen9 and Gen10 servers supporting DDR3 registered DIMMs.
Does the HP 16GB 2Rx4 PC3-12800R Smart Kit support ECC?
Yes; this module includes full ECC error detection and correction to maintain data integrity in critical server environments.