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

OWC

OWC 2S1D42R808GB 8GB DDR4 2133MHz CL15 1.2V 260pin SODIMM ThinkPad P50 T460s memory upgrade

SKU CH-X2TW-P9K8K

8GB DDR4 2133MHz CL15 SODIMM upgrades Lenovo ThinkPad P50 and T460s laptops

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 8GB capacity lets you run more apps simultaneously
  • DDR4 2133MHz speed matches ThinkPad P50 and T460s specs
  • CL15 latency supports responsive multitasking
  • 2V operation reduces power draw and heat
  • 260-pin SODIMM form factor fits laptop memory slots

Compatible ThinkPad Upgrade

This 8 GB DDR4 SODIMM is built for the Lenovo ThinkPad P50 and T460s. It brings a straight 8 GB capacity increase to either notebook without any configuration changes. The module follows the JEDEC PC4-17000 standard so the firmware recognises it immediately. Buyers who need ECC error correction or registered buffering should look elsewhere because this stick is non-ECC and unbuffered.

Thermals And Power Draw

Running at 1.2 V the module stays within the standard DDR4 low-voltage envelope. No heat spreader is fitted so the chips rely on the laptop's existing airflow, which is sufficient for the 2133 MHz CL15 operating point. Power draw remains at the nominal level for a 2Rx8 8 GB stick, adding no measurable thermal load to the compact ThinkPad chassis.

Build Integration

The 260-pin form factor drops straight into the SO-DIMM slot on the P50 or T460s with no adapters required. Because it is a single 8 GB rank-2Rx8 module it leaves a second slot free on the P50 for a future matched pair. Systems that only have one soldered slot or require registered memory cannot use this upgrade.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $42.99
Cheaper than about 79% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $5.37 per GB
Cheaper than about 72% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number2S1D42R808 GB
Total capacity8 GB
Product type260-Pin DDR4 Non-ECC SODIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsLenovo ThinkPad P50
Lenovo ThinkPad T460s

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 260-pin SODIMM in a ThinkPad T460s, and what step do people often miss?

Power off, unplug, and remove the battery. Open the memory door, align the notch on the 260-pin DDR4 module with the slot key, press firmly until both side clips click, then reinstall the battery before booting.

Will this 8 GB DDR4 module need any maintenance or replacement later?

The non-ECC unbuffered SODIMM has no moving parts and requires no routine maintenance; it only needs replacement if a memory test reports errors or the system fails to recognise the 8 GB capacity.

What limit appears first when the CL15 2133 MHz memory runs under sustained load?

The CAS latency of CL15 at 2133 MHz sets the timing ceiling; sustained workloads will hit that latency boundary before any thermal or voltage constraint on the 1.2 V module.

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