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Green Lenovo DDR2 memory module 5.3 inches long 240 gold pins single 512MB stick

Lenovo

Lenovo 512MB DDR2 667MHz CL5 240-pin desktop RAM

SKU CH-XCEH-8S57J

512 MB DDR2 desktop module running at 667 MHz with CL5 latency for compatible ThinkCentre systems

  • Rated speedDDR2 667 (PC2 5300)
  • CAS latencyCL5
  • ECC supportNon-parity
  • Buffer typeUnbuffered
  • Boosts multitasking with 512 MB DDR2 capacity
  • Speeds data transfers at 667 MHz DDR2 rate
  • Low CL5 latency improves memory responsiveness
  • 240-pin unbuffered design fits compatible desktops
  • Tested for ThinkCentre A52 and M52 systems

Lenovo 512MB DDR2 667MHz CL5 Module

This Lenovo module provides 512 MB of DDR2 memory running at 667 MHz with CL5 latency. It uses the 240-pin unbuffered non-parity PC2-5300 standard for desktop systems. The single stick adds capacity for older workstations that still rely on DDR2 technology.

Compatibility with ThinkCentre A52 and M52

Verify that your motherboard accepts DDR2 667 unbuffered non-parity DIMMs before ordering. The supplier lists specific ThinkCentre A52 models such as 8155 and 8166 and M52 models such as 8099 and 8110 as supported platforms. Systems requiring ECC, registered modules or a different DDR generation will not work with this stick.

Build quality and 240-pin installation

The green PCB measures 5.3 inches long and 1.2 inches wide, matching the standard desktop DIMM outline. Gold edge contacts on the 240-pin connector resist oxidation during repeated seating. Unbuffered non-parity design keeps the module simple for everyday office workloads on supported Lenovo desktops.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 93% of the 3,647 comparable items (median $90.99).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameLenovo
Performance
Rated speedDDR2 667 (PC2 5300)
Memory
CAS latencyCL5
ECC supportNon-parity
Buffer typeUnbuffered

Questions about this item

What is included in the package and what else is needed to install it?

The package contains a single 512MB DDR2 SDRAM module. A compatible desktop motherboard with a free 240-pin DDR2 slot is required separately.

Which capacity version should I choose for a ThinkCentre A52 8155?

This module is 512MB. The ThinkCentre A52 8155 is listed as compatible, so this capacity will work if a slot is available.

What does the 5300MB/sec transfer rate mean for everyday use?

The PC2-5300 rating means a peak bandwidth of 5300MB/sec, helping memory-intensive tasks like streaming video, graphics and CAD programs run more smoothly.

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