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ThinkCentre 1GB and 2GB PC3-8500 DDR3-1066 UDIMM Memory - Overview


Features and specifications

The PC3-8500 1066 MHz DDR3 UDIMM memory lets you upgrade your system's standard memory capacity to improve overall system performance. Features and benefits include:

  • Choice of available memory sizes for DDR3 UDIMM memory and a choice of single-pack or 25-pack
    • 1GB PC3-8500 DDR3-1066 UDIMM Memory (45J5434)
    • 2GB PC3-8500 DDR3-1066 UDIMM Memory (45J5435)
    • 1GB PC3-8500 DDR3-1066 UDIMM Memory 25-pack (57Y4421)
    • 2GB PC3-8500 DDR3-1066 UDIMM Memory 25-pack (57Y4422)
  • 240-pin JEDEC/EIA standard UDIMM interface
  • Gold-plated leads
  • Test-proven 100% compatibility listed for supported ThinkCentre systems
  • Lenovo memory installed in a new Lenovo system automatically assumes system warranty

Note: DDR3 UDIMM has the same physical height, depth, and width as DDR2 UDIMM. DDR3 UDIMM also has the same number of pins. DDR3 key notch is different location than the DDR2 key notch.


UDIMM Memory - Physical specifications
  • Individual/Single-Pack Unpackaged UDIMM Memory (memory module only)
    • Approximate height: 4 mm (0.15 in)
    • Approximate depth: 39 mm (1.18 in)
    • Approximate width: 133 mm (5.25 in)
    • Approximate weight: 0.02 kg (0.05 lb)
  • Individual/Single-Pack Packaged UDIMM Memory (memory module and carton)
    • Approximate height: 25 mm (1.0 in)
    • Approximate depth: 60 mm (2.4 in)
    • Approximate width: 175 mm (6.9 in)
    • Approximate weight: 0.15 kg (0.3 lb)
  • 25-Pack Packaged UDIMM Memory (25 memory modules and carton)
    • Approximate height: 65 mm (2.6 in)
    • Approximate depth: 306 mm (12.0 in)
    • Approximate width: 380 mm (15.9 in)
    • Approximate weight: 0.6 kg (1.32 lbs)




  • 3 years - Customer Replacement Unit (CRU) Service
    • Announce date: 18 Nov 2008 (Worldwide)
    • Availability date: 21 Nov 2008 (Worldwide)
    • Effective withdrawal date: Oct 2011


Hardware compatibility
Machine - Models
ThinkCentre A70
ThinkCentre A70z All-in-one
0401, 2565 only
ThinkCentre M58, M58 Small Form Factor (SFF), Tower
ThinkCentre M70e
ThinkCentre M90, M90 Small Form Factor (SFF), Tower
ThinkCentre A63 Tower
Systems with Sempron 140, Athlon II X2 240, Athlon II X2 245 system processors


  • Memory module or 25 memory modules
  • Warranty flyer / Publication


Additional product information
Service parts - Part number listing for your product
Lenovo Support: Memory - Reference Guide - Information on memory for notebooks, desktops, and workstations
Lenovo Support: Memory Compatibility - Desktops - Compatibility information for multiple desktop systems
Personal Systems Reference (PSREF) - Comprehensive information on the features and technical specifications of Lenovo products.

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Documento de identidad : PD003027
Legacy Document ID : MIGR-73042
Última actualización :
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