HP 500688-S21 1GB PC3-10600E ECC Memory Kit

Name: HP 500688-S21 1GB PC3-10600E ECC Memory Kit
Brand: HP
SKU: 500688-S21
Rating: 4.5 (2 reviews)

★★★★★4.5 (2 reviews)

Upgrade Your Server Memory with HP 1GB DDR3 ECC KitEnhance your server's performance with the HP 1GB DDR3 SDRAM ECC Kit. This DIMM module provides reliable memory for your Hewlett Packard system. Specifications Capacity: 1GB Type: DDR3 SDRAM Form Factor: DIMM 240-PIN Speed: 1333 MHz Error C...

$15.00*

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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Upgrade Your Server Memory with HP 1GB DDR3 ECC Kit

Enhance your server's performance with the HP 1GB DDR3 SDRAM ECC Kit. This DIMM module provides reliable memory for your Hewlett Packard system.

Specifications

Capacity: 1GB
Type: DDR3 SDRAM
Form Factor: DIMM 240-PIN
Speed: 1333 MHz
Error Correction: ECC

Key Features

Compatible With HP Part Number: 500668-B21

1GB PC3-10600 DDR3-1333 ECC 1Rx8 UDIMM

For HP Servers only. Not compatible with HP laptops and home computers.

Lifetime Warranty

Third Party; 100% Compatible

Specifications

Brand

HP (Compatible With)

Part Number

500688-S21 (Compatible with 500668-B21)

Memory Capacity

1GB

Memory Type

PC3-10600 DDR3-1333 ECC

Form Factor

UDIMM (Unbuffered DIMM)

Rank

1Rx8

Compatibility

For HP Servers only

Warranty

Lifetime Warranty

Manufacturer

Third Party

Pros & Cons

👍 Pros

Offers 1GB of PC3-10600 DDR3-1333 ECC memory, providing error correction for increased data integrity and system stability.
Designed as an Unbuffered DIMM (UDIMM), commonly used in servers that do not require fully buffered memory.
Features a 1Rx8 rank organization, which can contribute to system compatibility and memory controller load management.
Comes with a Lifetime Warranty, offering long-term assurance for its reliability and functionality.
Explicitly stated to be 100% compatible with HP Part Number 500668-B21, ensuring seamless integration for specified HP servers.

👎 Cons

This memory kit is explicitly "For HP Servers only," severely limiting its compatibility to specific HP server models.
It is "Not compatible with HP laptops and home computers," which restricts its use cases for general consumers.
The 1GB capacity is relatively small by modern standards, suitable primarily for older server systems or very basic applications.
DDR3 technology is older, meaning it will not be compatible with newer servers that typically require DDR4 or DDR5 RAM.
Being third-party memory, while stated as 100% compatible, some IT departments might prefer first-party HP branded modules.

Frequently Asked Questions

Can I use this 1GB ECC memory kit in my HP desktop computer?

No, this memory is specifically "For HP Servers only" and is "Not compatible with HP laptops and home computers."

What does ECC memory mean, and why is it important for servers?

ECC (Error-Correcting Code) memory detects and corrects common types of internal data corruption, which is crucial for servers to maintain data integrity and system stability.

Is this DDR3 memory compatible with newer servers that use DDR4 RAM?

No, DDR3 memory is not backward compatible with servers designed to use DDR4 or newer memory standards; they require different physical slots and electrical signaling.

What is the benefit of a Lifetime Warranty on this memory module?

A Lifetime Warranty provides assurance that the manufacturer will replace or repair the memory module for the lifetime of the product, covering potential defects.

Can this memory module be used with non-HP brand servers?

The product explicitly states it is "For HP Servers only," indicating it may not function correctly or be supported in non-HP brand servers.

HP 500688-S21 1GB PC3-10600E ECC Memory Kit

Overview