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Green 204-pin DDR3L SO-DIMM module with black chips

Patriot Memory

Patriot Memory PSD34G1600L81S 4GB DDR3L 1600 laptop RAM

SKU CH-6RJN-J6HWX MPN PSD34G1600L81S

4GB DDR3L 1600 SO-DIMM laptop memory running at 1.35V with CL11 latency

  • Total capacity4 GB
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Product type204-Pin DDR3 SO-DIMM
  • Key features1 Rank double-sided module 7.8US Refresh Interval (8192 CYCL
  • 4GB capacity adds responsive multitasking headroom
  • DDR3L 1600 speed delivers 12800 MB/s bandwidth
  • 35V operation reduces laptop power draw
  • CL11 latency keeps data access snappy
  • 204-pin SO-DIMM fits standard DDR3L laptop slots

Laptop DDR3L 1600 SO-DIMM

This 4 GB Patriot Signature Line module uses the 204-pin DDR3L SO-DIMM form factor. It runs at 1600 MT/s with CL11 latency at 1.35 V. The single-rank, double-sided design includes SPD and auto-refresh support. It suits notebooks that require low-voltage DDR3 memory.

Upgrade from DDR3 1.5 V modules

Replacing standard 1.5 V DDR3 with this 1.35 V DDR3L part reduces power draw and heat in compatible laptops. The jump is worthwhile when the system BIOS supports PC3L-12800 speeds and the slot accepts 204-pin SO-DIMMs. Older platforms locked to 1.5 V operation will not benefit.

4 GB capacity for everyday workloads

The module handles web browsing, office applications and light multitasking comfortably. It runs out when multiple browser tabs, background updates and media playback push the system past 4 GB, forcing swap to storage. Users needing more headroom should add a second module if a free slot exists.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $14.99
Cheaper than about 92% of the 2,079 comparable items (median $70.99).
Total capacity 4 GB
Lower than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $3.75 per GB
Cheaper than about 84% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand namePatriot
Product lineSignature Line
Model namePSD34G1600L81S
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
Power
Rated voltage1.35 V
Size & build
Shipping weight0.03 kg
Package size147 × 51 × 3 mm

Questions about this item

Will the 204-pin SO-DIMM and 1181 mil PCB height fit my laptop's memory slot?

The module uses the standard 204-pin DDR3 SO-DIMM form factor with a 1181 mil PCB height, matching the JEDEC specification for laptop memory slots.

Do I need to change any BIOS settings when installing this 1.35V DDR3L module?

The module includes Serial Presence-Detect (SPD) so the BIOS reads the 1600 speed, CL11 latency and 1.35V voltage automatically; no manual configuration is required.

How long will the 8192-cycle refresh interval keep data stable before a refresh is needed?

The 7.8 µs refresh interval (8192 cycles per 64 ms) is handled by the DRAM's auto and self-refresh capability; no user maintenance is required for the life of the module.

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