We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Two green 204-pin DDR3 SO-DIMM modules with black chips

Computer Memory Solutions

Computer Memory Solutions CM5126410600SODRH 8GB (2x4GB) DDR3 1333 CL7

SKU CH-4T56-HMTDM

8GB DDR3 1333 CL7 SO-DIMM kit for Lenovo ThinkPad X220 4294 4296 4298 4299 tablets

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8 GB dual-channel kit upgrades ThinkPad X220 tablets
  • CL7 latency at 1333 MHz sharpens responsiveness
  • 5 V unbuffered DDR3 SO-DIMM matches factory spec
  • 204-pin form factor slots straight into X220 models 4294, 4296, 4298, 4299
  • Two matched 4 GB modules install in minutes

Lenovo ThinkPad X220 DDR3 kit

This 8 GB kit contains two 4 GB DDR3 SO-DIMM modules built for the Lenovo ThinkPad X220 models 4294, 4296, 4298 and 4299. It targets owners of those laptops who want a matched pair to reach the system's maximum supported capacity. The modules run at 1333 MHz with CL7 timing at 1.5 V.

Low-power DDR3 operation

Unbuffered DDR3 at 1.5 V draws modest power and produces little heat inside the thin X220 chassis. No heat spreader is fitted, so the sticks rely on the laptop's existing airflow. The CL7 7-7-7 timings keep latency low without raising voltage or fan noise during normal workloads.

204-pin SO-DIMM form factor

Each stick uses the standard 204-pin DDR3 SO-DIMM edge connector that slots directly into the X220's two memory sockets. The two-module kit fills both slots for dual-channel bandwidth and leaves no empty socket. No additional cables, brackets or firmware updates are required for installation.

How it compares

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

Price $37.99
Cheaper than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.75 per GB
Cheaper than about 80% of the 20,941 comparable items (median $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 nameComputer Memory Solutions
Model nameCM5126410600SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsLenovo Thinkpad X220 4294, 4296, 4298, 4299 Tablet
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 204-pin DDR3 SO-DIMM sticks into the Lenovo ThinkPad X220, and what step is often missed?

Power off, unplug, and remove the battery. Open the bottom memory door, release the side clips, insert each module at an angle until the gold contacts disappear, then press down firmly until both clips click. The step most people skip is reseating the battery before the first boot.

What maintenance or replacement will this 8GB kit need later?

No routine maintenance is required. Keep the slot area free of dust with occasional compressed air. If a module fails, the limited lifetime warranty from Computer Memory Solutions covers exchange or repair against manufacturing defects.

What limit appears first when the CL7 1333 MHz memory runs under sustained load?

The 1.5 V unbuffered DDR3 chips and the ThinkPad X220 cooling define the thermal ceiling. Under prolonged heavy use the modules hit their rated voltage and timing envelope before any other bottleneck appears.

More in Model-Specific Memory Upgrades

Similar items