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Single green 240-pin DDR3 DIMM module with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 4GB DDR3 1333MHz CL9 1.5V DIMM Lenovo H520S

SKU CH-5MAN-QTC3A

A 4 GB DDR3 1333 MHz CL9 unbuffered DIMM built for Lenovo H520S systems

  • Capacity4GB
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Timing9-9-9
  • Voltage1.5V
  • 4GB DDR3 1333 MHz boosts Lenovo H520S responsiveness
  • CL9 9-9-9 timing delivers stable 1.5 V operation
  • 240-pin unbuffered non-ECC design fits 2561-xxx and 4746-xxx systems
  • Single 4 GB module enables cost-effective capacity upgrade
  • Major-brand chipset with limited lifetime warranty ensures long-term reliability

4GB DDR3 DIMM for Lenovo H520S

This 4GB DDR3 module runs at 1333MHz with CL9 timing and 1.5V operation. It is a 240-pin unbuffered non-ECC stick built with major-brand chips. The part is validated for Lenovo H520S systems in the 2561 and 4746 series.

Suits owners adding a single stick to a free slot

Buyers who need ECC error correction or registered buffering should look elsewhere. The module is a single-rank 1Rx8 design without a heat spreader. Systems limited to lower voltages or different pin counts cannot use this memory.

Installs in a 240-pin DDR3 slot on the H520S board

The motherboard provides two sockets with a maximum of 8GB total capacity. If 4GB is already present the recognised amount may drop to 3.5GB depending on configuration. Modules must be ordered and installed in pairs to enable dual-channel mode. A 64-bit operating system is required for full addressable memory.

Pontos fortes

  • 4GB DDR3 1333 MHz boosts Lenovo H520S responsiveness
  • CL9 9-9-9 timing delivers stable 1.5 V operation
  • 240-pin unbuffered non-ECC design fits 2561-xxx and 4746-xxx systems
  • Single 4 GB module enables cost-effective capacity upgrade
  • Major-brand chipset with limited lifetime warranty ensures long-term reliability

Especificações

BrandComputer Memory Solutions
ModelCM5126410600DIMMSR
Capacity4GB
Type240-Pin DDR3 SDRAM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Timing9-9-9
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo H520S Series 2561-Xxx; 4746-Xxx
Package Content1 Memory RAM Stick

Perguntas sobre este artigo

Does this 240-pin DDR3 module work in the two slots of my Lenovo H520S?

The H520S has two DIMM sockets and supports up to 8 GB total. Install this 4 GB stick in either slot; add a matching stick for dual-channel operation.

Can I keep my existing 1333 MHz DDR3 stick and add this CL9 module?

Yes, both run at 1333 MHz. The system will operate at the slower timing of the two modules, so pair with another CL9 stick for best stability.

How do I verify the stick is recognised at 1333 MHz after fitting it?

Open Task Manager’s Performance tab or the BIOS memory screen; the speed should read 1333 MHz and total capacity should increase by 4 GB.

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