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Green circuit board with gold edge connector and black memory chips

OWC

OWC 2GB DDR3 1600 CL11 204-pin SODIMM for Lenovo B590

SKU CH-HCJJ-ZKVV5

A 2 GB DDR3 SODIMM running at 1600 MHz with CL11 latency, built for the Lenovo B590

  • Capacity2GB
  • Type204-Pin DDR3 Non-ECC SODIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCNo
  • Boosts Lenovo B590 responsiveness with 2GB DDR3 1600 CL11 upgrade
  • JEDEC and RoHS compliant module ensures warranty-safe installation
  • Single 204-pin SODIMM at 1.5V enables straightforward DIY fit
  • Unbuffered 1Rx8 design delivers stable multitasking performance
  • Tested to meet OEM specifications for reliable long-term operation

Lenovo B590 memory upgrade

This 2 GB DDR3 SODIMM is built specifically for the Lenovo B590 laptop. It provides a direct, JEDEC-standard replacement or expansion module for that platform. The unbuffered, non-ECC design matches the factory specification for mainstream mobile use. Installers can add capacity without configuration changes.

204-pin DDR3 1600 CL11 interface

The module uses a 204-pin SO-DIMM connector keyed for DDR3 1600 (PC3-12800) with CL11 latency at 1.5 V. This pin-out, voltage and speed combination is the single specification that determines physical and electrical compatibility with the B590 memory slot. A different generation, voltage or pin count will not fit or function.

2 GB single-rank capacity

The 1Rx8 organisation delivers 2 GB of addressable memory, suitable for light multitasking, office applications and legacy operating systems. Headroom is limited; modern browsers, virtual machines or large datasets will exhaust the available space quickly. Systems requiring more than 2 GB per slot should verify maximum supported density before purchase.

Points forts

  • Boosts Lenovo B590 responsiveness with 2GB DDR3 1600 CL11 upgrade
  • JEDEC and RoHS compliant module ensures warranty-safe installation
  • Single 204-pin SODIMM at 1.5V enables straightforward DIY fit
  • Unbuffered 1Rx8 design delivers stable multitasking performance
  • Tested to meet OEM specifications for reliable long-term operation

Caractéristiques

BrandOWC
Part Number1S6D31R802GB
Capacity2GB
Type204-Pin DDR3 Non-ECC SODIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemLenovo B590

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Questions sur cet article

What does the 1600 MHz speed mean once the module is installed in a Lenovo B590?

The module runs at DDR3 1600 with CL11 latency, delivering the standard PC3-12800 data rate for that platform.

What does the PC3-12800 designation cap in practice for this SODIMM?

PC3-12800 identifies the DDR3 1600 JEDEC speed grade; the memory controller in the B590 determines the actual operating rate.

What physical slot and voltage does this 204-pin SODIMM need to fit and work in the B590?

It requires a 204-pin DDR3 SO-DIMM socket and operates at 1.5V, matching the Lenovo B590 memory slot specification.

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