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Green circuit board with black memory chips and gold edge connector

OWC

OWC 8GB DDR3L 1600 CL11 2Rx8 1.35V SODIMM memory upgrade

SKU CH-D993-AYBNY

Single 8 GB DDR3L 1600 SODIMM for Dell Latitude E6540, E7240, E7440 and E7450

  • Capacity8GB
  • Type204-Pin DDR3L Non-ECC SODIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCNo
  • 8GB capacity expands multitasking headroom for demanding workloads
  • DDR3L 1600 CL11 speed delivers responsive system performance
  • 35V low-voltage operation reduces power draw and heat
  • 204-pin SODIMM form factor fits Dell Latitude E6540 E7240 E7440 E7450
  • JEDEC and RoHS compliant ensures warranty-safe upgrade compatibility

Single 8GB DDR3L SODIMM upgrade

This module adds eight gigabytes of DDR3L memory at 1600 MT/s with CL11 latency and 1.35 V operation. It fits Dell Latitude E6540, E7240, E7440 and E7450 laptops using a 204-pin unbuffered non-ECC SODIMM slot. The 2Rx8 organisation is JEDEC compliant and RoHS certified.

Replaces a lower-capacity or slower DDR3L stick

Swapping a 4 GB or slower module for this 8 GB PC3L-12800 part doubles usable memory and raises bandwidth to the JEDEC 1600 standard. The jump is worth it when the system currently hits the memory ceiling during multitasking or large-file editing. Buyers needing more than one slot populated or a higher-speed grade cannot be served by this single module.

Sustained load behaviour

Continuous workloads such as virtual machines, compile jobs or heavy browser sessions run within the rated 1.35 V envelope without throttling. The unbuffered design keeps latency stable at CL11 across extended sessions. Systems without active SODIMM cooling should verify chassis airflow, as this module has no heat spreader.

Highlights

  • 8GB capacity expands multitasking headroom for demanding workloads
  • DDR3L 1600 CL11 speed delivers responsive system performance
  • 35V low-voltage operation reduces power draw and heat
  • 204-pin SODIMM form factor fits Dell Latitude E6540 E7240 E7440 E7450
  • JEDEC and RoHS compliant ensures warranty-safe upgrade compatibility

Specifications

BrandOWC
Part Number1S6T32R808GB
Capacity8GB
Type204-Pin DDR3L Non-ECC SODIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemDell Latitude E6540
Dell Latitude E7240
Dell Latitude E7440
Dell Latitude E7450

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Questions about this item

Does the 204-pin SODIMM fit the memory slots in a Dell Latitude E7440?

Yes, the module uses the standard 204-pin DDR3L SODIMM form factor that matches the slots in the E7440 and the other listed Latitude models.

What is the correct way to seat the module so the clips engage on both sides?

Insert the module at an angle until the gold contacts are fully hidden, then press down firmly until the side clips click into the notches on the PCB.

Will the 1.35V DDR3L module need a voltage adjustment in BIOS later?

No, the JEDEC-standard 1.35V operation is automatic; the system detects the correct voltage without any BIOS change.

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