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Green rectangular circuit board with gold edge connector and black memory chips on both sides

OWC

OWC 8GB DDR3L 1600 CL11 2Rx8 1.35V SODIMM memory upgrade for Lenovo Flex 3 1470 1480 1580

SKU CH-PT2W-1HVS7

8GB DDR3L 1600 CL11 SODIMM upgrades Lenovo Flex 3 1470 1480 1580 laptops

  • Capacity8GB
  • Type204-Pin DDR3L Non-ECC SODIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCNo
  • 8GB capacity lets you run more apps simultaneously
  • DDR3L 1600 speed at CL11 latency delivers responsive performance
  • 35V low voltage reduces power draw and heat
  • 204-pin SODIMM form factor fits Lenovo Flex 3 1470 1480 1580
  • JEDEC and ROHS compliant for warranty-safe upgrade

System-specific DDR3L upgrade

This OWC module adds 8GB of DDR3L memory to Lenovo Flex 3 models 1470, 1480 and 1580. It is a single 204-pin SODIMM rated at 1600 MHz with CL11 latency and 1.35 V operation. The unbuffered, non-ECC design matches the factory specification for these laptops. Installation is a straightforward DIY task for most users.

Thermals and power in normal use

Running at the JEDEC-standard 1.35 V keeps power draw low during everyday workloads such as web browsing and document editing. The module has no heat spreader, relying on the laptop's existing airflow to maintain safe temperatures. Silent operation is preserved because no additional cooling hardware is required. ROHS compliance confirms the absence of restricted substances.

Behaviour under sustained load

During prolonged multitasking or large-file handling the 2Rx8 organisation helps maintain consistent throughput at the rated 1600 MHz speed. The memory is tested to meet or exceed OEM specifications, so stability is preserved over extended sessions. Users who need more capacity than a single 8GB module provides will need additional compatible slots. The limited lifetime warranty covers the module for its service life.

Highlights

  • 8GB capacity lets you run more apps simultaneously
  • DDR3L 1600 speed at CL11 latency delivers responsive performance
  • 35V low voltage reduces power draw and heat
  • 204-pin SODIMM form factor fits Lenovo Flex 3 1470 1480 1580
  • JEDEC and ROHS compliant for warranty-safe upgrade

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 SystemLenovo Flex 3 1470
Lenovo Flex 3 1480
Lenovo Flex 3 1580

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Questions about this item

How do I install the 204-pin DDR3L SODIMM in my Lenovo Flex 3 1470, and what step do people often miss?

Power off the laptop, remove the battery if accessible, open the memory compartment, align the notch on the 204-pin module with the slot key, press firmly until the side clips click, then reassemble; the step often missed is fully seating the module so both clips engage.

What maintenance or replacement will the 8GB DDR3L 1600 module need later?

No scheduled maintenance is required; if errors appear, run a memory diagnostic and replace the module if it fails, otherwise it can remain in service for the laptop's lifespan.

What limit appears first on the 1.35V CL11 2Rx8 module under sustained heavy workloads?

The CAS latency of CL11 at 1600 MHz sets the access timing ceiling, so sustained bandwidth is capped by that latency before thermal or voltage limits are reached.

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