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Two green circuit boards with gold contacts and black chips

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333MHz SODIMM Lenovo B590

SKU CH-49ZE-ZEGR5

8GB DDR3 kit with two 4GB SODIMM modules rated at 1333MHz CL7 for Lenovo B590 notebooks

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8GB kit lets Lenovo B590 handle more tasks
  • DDR3 1333 MHz speed matches system spec
  • CL7 timing keeps data flowing smoothly
  • Two 4 GB sticks fill both slots
  • 5 V unbuffered modules install without changes

Lenovo B590 DDR3 SO-DIMM Kit

This 8GB kit contains two 4GB DDR3 SO-DIMM modules built for the Lenovo B590 series. Each stick uses a 204-pin interface and runs at 1333MHz with CL7 timing. The unbuffered, non-ECC design suits standard laptop memory slots. Buyers needing higher capacity or a different DDR generation should look elsewhere.

Low-Voltage Unbuffered Operation

The modules operate at 1.5V without a heat spreader, drawing minimal power inside a thin-and-light chassis. Unbuffered signalling keeps electrical load low on the memory controller. Silent passive cooling produces no audible noise during typical workloads. Systems limited to 32-bit operating systems will only address 4GB of the installed 8GB.

1333MHz CL7 Speed Grade

The decisive specification is the DDR3-1333 (PC3-10600) rating with 7-7-7 latency. This exact speed and timing must match the B590 memory controller for stable operation. Faster or slower modules may not post or could force down-clocking. Verify the 1333MHz CL7 requirement before purchase.

Puntos fuertes

  • 8GB kit lets Lenovo B590 handle more tasks
  • DDR3 1333 MHz speed matches system spec
  • CL7 timing keeps data flowing smoothly
  • Two 4 GB sticks fill both slots
  • 5 V unbuffered modules install without changes

Especificaciones

BrandComputer Memory Solutions
ModelCM5126410600SODRH
Capacity8GB (2 x 4GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemLenovo B590 Series
Package Content2 Memory RAM Sticks

Preguntas sobre este artículo

How do I install the 204-pin DDR3 SODIMM modules into the Lenovo B590, and what step is often missed?

Power off the laptop, remove the battery if accessible, open the memory compartment, insert each module at an angle until the gold contacts disappear, then press down firmly until both side clips click — the click is the step people skip, leaving the stick loose.

What maintenance or replacement will the CM5126410600SODRH kit need over time?

No routine maintenance is required; the unbuffered non-ECC modules have no heat spreader or moving parts, so replacement is only necessary if a stick fails or you upgrade beyond the two-slot, 8 GB maximum supported by the B590.

What limit appears first when the B590 runs sustained workloads with this 1333 MHz CL7 memory?

The memory controller caps bandwidth at the DDR3-10600 rate, so throughput plateaus there; latency stays at 7-7-7 timing, and the 1.5 V supply prevents higher speeds without instability.

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