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Green printed circuit board with black memory chips and gold edge connectors, 240-pin DDR3 desktop DIMM

OWC

OWC 2GB DDR3 1066 PC3-8500 CL7 1Rx8 240-pin 1.5V Non-ECC UDIMM memory upgrade

SKU CH-TSJP-TEWPH

A 2 GB DDR3 module at 1066 MHz CL7 for Lenovo ThinkCentre M58p SFF and Tower systems

  • Total capacity2 GB
  • Rated speedDDR3 1066 (PC3 8500)
  • CAS latencyCL7
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8
  • Boost responsiveness with 2 GB DDR3 1066 MHz CL7
  • JEDEC and RoHS compliant for a warranty-safe upgrade
  • Designed for Lenovo ThinkCentre M58p SFF and Tower
  • Single 1Rx8 240-pin unbuffered DIMM at 1.5 V
  • Easy DIY installation with OWC lab-tested reliability

2GB DDR3-1066 UDIMM for ThinkCentre M58p

This 2GB DDR3 module runs at 1066MHz with CL7 latency and 1.5V operation. It is built as a single-rank 1Rx8 unbuffered DIMM without ECC or a heat spreader. The part is validated for Lenovo ThinkCentre M58p SFF and Tower desktops.

DDR3-1066 bandwidth and density ceiling

The PC3-8500 standard tops out at 1066MHz, so this module cannot run faster than that speed on any platform. A 2GB density limits the total memory you can install to the number of slots your board provides. Non-ECC unbuffered design means it will not work in servers that require registered or error-correcting memory.

Check slot count and maximum supported memory

Verify how many 240-pin DDR3 slots your ThinkCentre M58p has before ordering. Confirm the system BIOS accepts 2GB modules per slot and the total capacity allowed. Ensure the existing memory matches 1.5V DDR3-1066 non-ECC unbuffered specifications for compatibility.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 2 GB
Lower than about 95% of the 20,941 comparable items (median 32 GB).
Price per GB $8.00 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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 nameOWC
Part number8U5D31R802 GB
Total capacity2 GB
Product type240-Pin DDR3 Non-ECC UDIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Memory
CAS latencyCL7
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsLenovo ThinkCentre M58p SFF
Lenovo ThinkCentre M58p Tower

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 2 GB module or add multiple sticks for the ThinkCentre M58p?

The module is a single 2 GB DDR3 1066 PC3-8500 CL7 DIMM; add one per available slot up to the system's maximum supported memory.

What does PC3-8500 1066 MHz CL7 deliver in the M58p?

It runs at 1066 MHz with CAS latency 7, matching the M58p's supported DDR3 speed for stable operation.

Will this 240-pin DDR3 1.5 V unbuffered non-ECC DIMM work in my desktop?

Yes, it is a 240-pin DDR3 1.5 V unbuffered non-ECC UDIMM built to JEDEC standards for desktop and workstation use.

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