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Two green DDR3 SODIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM10246410600SODRH 16GB DDR3 1333MHz 2x8GB SODIMM W520

SKU CH-RBQW-BHDRK

16 GB DDR3 SO-DIMM kit (2 × 8 GB) at 1333 MHz CL9 1.5 V for Lenovo ThinkPad W520 4270 4276 4282 4284

  • Capacity16GB (2 x 8GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Timing9-9-9
  • Voltage1.5V
  • 16 GB dual-channel kit boosts multitasking on ThinkPad W520
  • DDR3 1333 MHz CL9 modules match factory memory speed
  • 2 × 8 GB unbuffered SODIMMs install in 204-pin slots
  • 5 V non-ECC design keeps power draw low
  • Guaranteed compatibility with W520 models 4270, 4276, 4282, 4284

Tailored for Lenovo ThinkPad W520

This 16 GB kit contains two 8 GB DDR3 SO-DIMM modules rated at 1333 MHz with CL9 timing. It is built specifically for the ThinkPad W520 Quad Core models 4270, 4276, 4282 and 4284. The unbuffered, non-ECC design matches the factory memory specification for these workstations.

Two matched sticks enable dual-channel operation

The paired 8 GB modules activate dual-channel bandwidth on the W520's four memory sockets. Running at 1.5 V without a heat spreader, they fit the slim SO-DIMM slots and leave the remaining two sockets free for a future upgrade to the platform maximum of 32 GB.

Direct drop-in installation

Each 204-pin stick seats in the standard SO-DIMM slots accessible under the bottom panel. No BIOS update or voltage adjustment is required because the SPD is programmed to JEDEC 1333 MHz defaults. The only common issue is inserting a module at an angle; press firmly until the side clips click to ensure full contact.

Besonderheiten

  • 16 GB dual-channel kit boosts multitasking on ThinkPad W520
  • DDR3 1333 MHz CL9 modules match factory memory speed
  • 2 × 8 GB unbuffered SODIMMs install in 204-pin slots
  • 5 V non-ECC design keeps power draw low
  • Guaranteed compatibility with W520 models 4270, 4276, 4282, 4284

Technische Daten

BrandComputer Memory Solutions
ModelCM10246410600SODRH
Capacity16GB (2 x 8GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Timing9-9-9
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo Thinkpad W520 Quad Core 4270; 4276, 4282, 4284
Package Content2 Memory RAM Sticks

Fragen zu diesem Artikel

Will the 2Rx8 DDR3 SODIMM chips need any periodic cleaning or firmware updates?

No maintenance is required for the memory modules themselves; they have no moving parts, no firmware and no heat spreader to clean.

What limits sustained throughput first — the CL9 latency or the 1333 MHz bus?

The 1333 MHz bus is the bottleneck; CL9 latency is fixed, so bandwidth tops out at the PC3-10600 rate.

How much extra heat and power do the two 8 GB sticks add when the W520 runs all day?

Each stick draws 1.5 V unbuffered; total power is low and the modules have no heat spreader, so they add minimal heat inside the chassis.

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