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Green rectangular circuit board with gold edge contacts and black memory chips

OWC

OWC 4GB DDR3L 1600 CL11 1Rx8 1.35V SODIMM memory upgrade

SKU CH-QTB2-QP2PB

A 4 GB DDR3L 1600 SODIMM module for Lenovo B51-80, B5400, B70-80, B71-80, E31-70, E31-80 and E40-80 laptops

  • Capacity4GB
  • Type204-Pin DDR3L Non-ECC SODIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCNo
  • 4GB DDR3L module adds responsive multitasking capacity
  • 1600 MHz speed matches PC3L-12800 system requirements
  • 35 V low-voltage design reduces power draw
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single 204-pin SODIMM fits listed Lenovo notebooks

4GB DDR3L 1600 SODIMM upgrade

This 4GB DDR3L SODIMM module runs at 1600 MT/s with CL11 latency and 1.35V operation. It uses a 204-pin unbuffered non-ECC design in a single 1Rx8 rank. The JEDEC-standard part is built for compatible Lenovo notebooks.

Suits Lenovo B51-80 B5400 B70-80 B71-80 E31-70

This upgrade fits the listed Lenovo models that accept DDR3L SODIMM memory. Builders needing ECC registered modules or a different pin count should look elsewhere. Systems requiring higher capacity per slot or a faster data rate are not addressed by this part.

204-pin DDR3L SODIMM form factor

The module uses the 204-pin DDR3L SODIMM interface which determines physical and electrical compatibility. Verify that the target notebook accepts this exact pin layout and voltage before purchase.

Privalumai

  • 4GB DDR3L module adds responsive multitasking capacity
  • 1600 MHz speed matches PC3L-12800 system requirements
  • 35 V low-voltage design reduces power draw
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Single 204-pin SODIMM fits listed Lenovo notebooks

Specifikacijos

BrandOWC
Part Number1S6T31R804GB
Capacity4GB
Type204-Pin DDR3L Non-ECC SODIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemLenovo B51-80
Lenovo B5400
Lenovo B70-80
Lenovo B71-80
Lenovo E31-70

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Will this 204-pin DDR3L 1600 module work in my Lenovo E31-70 that already has 4GB of the same speed installed?

Yes, this 4GB DDR3L 1600 CL11 1.35V SODIMM is validated for the E31-70 and matches JEDEC PC3L-12800 specifications, so it will run alongside existing 1600 MHz memory at the same voltage and timings.

How can I confirm the stick is running at PC3L-12800 CL11 after I install it in a Lenovo B70-80?

Open Task Manager or a tool like CPU-Z; the memory tab should show 1600 MHz (800 MHz actual clock), CL11 timings and 1.35 V, matching the module's JEDEC rating.

Does the single 4GB module ship with any extra parts, or do I need to buy a screwdriver separately?

The package contains only the 204-pin SODIMM itself; no screwdriver, thermal pad or additional hardware is included, so have a small Phillips driver ready for the laptop's memory door.

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