Technical Snapshot

The HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit is a server-grade DDR3 RDIMM memory module designed for enterprise servers and workstations. Running at 1,600 MT/s with CL11 timings at 1.5V, The module provides 16GB of DDR3 memory . this module targets server deployments, virtualization hosts, and high-availability computing environments requiring ECC error correction.

Use Case: Server deployments, virtualization, high-availability computing
Compatibility: RDIMM-compatible server motherboard
Category: DDR3 RDIMM — HPE SmartMemory

HPE RAM

HPE SmartMemory

HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit (672631-B21-)

Name: HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit
Brand: HPE
SKU: 672631-B21-
Availability: InStock

DDR3 · RDIMM · 1,600 MT/s · 16GB

Speed 1,600 MT/s

Capacity 16GB

Latency CL11

Voltage 1.5V

MPN672631-B21-

EAN0886112353278

CategoryMemory

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Memory Specifications

Memory TypeDDR3

Form FactorRDIMM

Total Capacity16GB

Speed1,600 MT/s

CAS LatencyCL11

Voltage1.5V

ECCYes

Full Specifications

Data sourced from HPE product specifications

Memory
Product Line	SmartMemory
Memory Type	DDR3
Form Factor	RDIMM
Total Capacity	16GB
Module Count	1
Module Capacity	16GB
Speed	1,600 MT/s
Timings & Voltage
CAS Latency	CL11
Voltage	1.5V
ECC	Yes
Design
IC Type	x4
Product
Brand	HPE
MPN	672631-B21-
EAN	0886112353278
Physical
Weight	0.056 kg
Package Dimensions	15.5 x 7.6 x 1.5 cm

Support

HPE Memory Compatibility ToolCheck motherboard compatibility for this module

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HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit DatasheetPDF · Technical specifications

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Frequently Asked Questions

What systems is this memory compatible with?

The HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit uses DDR3 technology. Check your motherboard or laptop specifications to confirm DDR3 RDIMM support before purchasing.

What speed does this memory run at?

The HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit runs at 1,600 MT/s with CL11 timings. This is a JEDEC standard speed that works automatically without BIOS configuration.

Can I add more memory later?

Yes, the HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit is a single 16GB module. You can add additional compatible DDR3 RDIMM modules to populate empty slots. For best performance, use matched modules of the same speed and capacity to enable dual-channel mode.

Does this memory support ECC error correction?

Yes, the HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit includes ECC (Error-Correcting Code) support, which detects and corrects single-bit memory errors. This is essential for servers, workstations, and mission-critical applications where data integrity is paramount.

Where can I find technical support?

Visit the HPE support website for compatibility tools, firmware updates, and technical documentation for the HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit.

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Product: HP 16GB (1x16GB) Dual Rank x4 PC3-12800R DDR3-1600 CAS-11 Registered Memory Kit
MPN: 672631-B21-
Schemas: Product + BreadcrumbList
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Related: 4 isRelatedTo links