Brands Guides About
HP 669322-B21 4GB DDR3-1600 ECC Unbuffered Memory Kit — main product image
HP

HP 669322-B21 4GB DDR3-1600 ECC Unbuffered Memory Kit

HP SmartMemory 4GB ECC DDR3-1600 DIMM built and tested specifically for ProLiant servers.

View price on Amazon
Affiliate Disclosure: As an Amazon Associate, Studio Supplies earns from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Enhance Server Performance with HP SmartMemory

The HP 669322-B21 is a 4GB (1x4GB) Dual Rank x8 PC3-12800E DDR3-1600 Unbuffered CAS-11 Memory Kit, designed to boost your HP ProLiant server's performance and reliability. HP SmartMemory ensures quality and is rigorously tested for seamless integration.

Specifications:

  • Brand: HP
  • Model: 669322-B21
  • Capacity: 4GB (1 x 4GB)
  • Memory Type: DDR3 SDRAM
  • Speed: 1600 MHz DDR3-1600/PC3-12800
  • Error Correction: ECC
  • Buffer: Unbuffered
  • Pin Count: 240-pin
  • Form Factor: DIMM
  • Rank: Dual Rank x8
  • CAS Latency: CAS-11

Frequently Asked Questions

It is designed for HP ProLiant Gen8 servers that support PC3-12800E unbuffered ECC DIMMs, such as the ML310e, DL320e, and MicroServer Gen8 lines. Check your server's QuickSpecs for confirmed compatibility.
ECC unbuffered (UDIMM) memory is used in entry-level servers and workstations, while ECC registered (RDIMM) memory includes a register chip for stability in higher-capacity configurations. This kit is unbuffered and will not work in RDIMM-only slots.
Mixing is possible in some configurations, but for optimal performance HP recommends using identical modules in matched pairs or sets. Consult your server's memory population guidelines.
HP SmartMemory is HP's authentication technology that verifies the DIMM is genuine HP-qualified memory. SmartMemory modules are tested to meet HP's standards and may unlock features like extended memory performance profiles on supported ProLiant servers.

Related Products