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Green rectangular DDR4 SODIMM module with gold edge contacts and black chips on both sides

OWC

OWC 2S1D42R808GB 8GB DDR4 2133 CL15 2Rx8 SODIMM memory upgrade

SKU CH-E040-MME85

8GB DDR4 2133 CL15 SODIMM module built for NCR RealPOS XR7 Plus POS (7703) systems

  • Capacity8GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCNo
  • 8GB capacity boosts multitasking on compatible POS systems
  • DDR4 2133 CL15 timing delivers responsive data access
  • 2V operation reduces power draw in NCR RealPOS XR7 Plus
  • 260-pin SODIMM form factor fits factory memory slots directly
  • JEDEC and RoHS compliant for warranty-safe installation

Targeted POS Upgrade

This 8 GB DDR4 SODIMM is built for the NCR RealPOS XR7 Plus POS (7703). It delivers a single-module capacity increase for point-of-sale terminals that require 260-pin PC4-17000 memory. The unbuffered non-ECC design matches the original system specification exactly. Buyers needing ECC protection or registered modules cannot use this part.

Thermals and Power

Operating at 1.2 V, the module draws minimal power and generates little heat during continuous retail operation. No heat spreader is fitted, relying on the chassis airflow of the POS unit. The CL15 latency at 2133 MHz keeps timing tight without raising voltage. Systems with restricted ventilation or high ambient temperatures should verify thermal headroom before installation.

Compliance and Support

JEDEC and RoHS compliance ensure the upgrade is warranty-safe for the host terminal. OWC provides a limited lifetime warranty with free technical support and an advanced replacement programme. A basic installation video is available to guide the DIY process. No additional software, drivers or accessories are bundled with the module.

Highlights

  • 8GB capacity boosts multitasking on compatible POS systems
  • DDR4 2133 CL15 timing delivers responsive data access
  • 2V operation reduces power draw in NCR RealPOS XR7 Plus
  • 260-pin SODIMM form factor fits factory memory slots directly
  • JEDEC and RoHS compliant for warranty-safe installation

Specifications

BrandOWC
Part Number2S1D42R808GB
Capacity8GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemNCR POS RealPOS XR7 Plus POS (7703)

Other versions of this model

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Questions about this item

How do I install the 260-pin DDR4 SODIMM in the RealPOS XR7 Plus (7703) and what step is often missed?

Power off the terminal and unplug it, then open the memory access panel. Align the notch on the 260-pin module with the slot key and press firmly until both side clips click. The step often missed is verifying the clips have fully locked on both sides.

What maintenance or replacement will this 8GB DDR4 2133 module need over its service life?

No scheduled maintenance is required for the module itself. Keep the system vents clear of dust so the 1.2V SODIMM stays within its thermal limits. Replacement is only needed if a memory test reports errors or the terminal's workload outgrows the 8GB capacity.

What limit appears first when the RealPOS XR7 Plus runs sustained workloads with this CL15 2Rx8 memory?

The 8GB capacity ceiling is reached before the DDR4 2133 bandwidth or CL15 latency become bottlenecks. Once the terminal commits more than 8GB, the OS swaps to storage and responsiveness drops sharply.

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