RAM // ADATA
ADATA Premier 4GB DDR4 2666MHz Laptop RAM
Technical specification
ADATA Premier DDR4 — 4GB SO-DIMM, 2666MHz, CL19, 1.2V, 260-pin, reliable DDR4 laptop memory for everyday notebooks.
The ADATA Premier DDR4-2666 4GB SO-DIMM (AD4S26664G19-SGN) is an entry-level laptop memory module designed to deliver stable, power-efficient performance for everyday notebooks. Running at 2666MHz with CL19 timings and just 1.2V, it offers better bandwidth and lower power draw than DDR3, making it a simple upgrade for basic multitasking and smoother system responsiveness. With 260-pin SO-DIMM form factor and wide compatibility across Intel Core and AMD Ryzen mobile platforms, this single 4GB stick is ideal for replacing faulty modules or adding a bit more RAM to older systems.
- 4GB DDR4 SO-DIMM laptop memory module
- Speed: 2666MHz (PC4-21300) with up to 21.3GB/s bandwidth
- CAS Latency: CL19 for reliable everyday performance
- Low 1.2V operating voltage for improved battery life versus DDR3
- 260-pin SO-DIMM form factor for laptops and small form factor PCs
- Designed for Intel Core 6th–11th Gen and AMD Ryzen 3000/4000/5000 series laptops*
- Single 4GB module (4GB x 1), easy drop-in upgrade
*Actual supported speed depends on CPU and motherboard/BIOS.
| Spec | Detail |
|---|---|
| Brand | ADATA |
| Series | Premier |
| Model Number | AD4S26664G19-SGN |
| Memory Type | DDR4 |
| Form Factor | SO-DIMM (Laptop) |
| Capacity | 4GB (1 x 4GB) |
| Speed | 2666MHz (PC4-21300) |
| CAS Latency | CL19 |
| Operating Voltage | 1.2V |
| Pins | 260-pin |
| Compatible Devices | Laptops / notebooks with DDR4 SO-DIMM slots |
| Colour | Green PCB |
| UPC / EAN | 4711085931474 |
| Warranty | Limited Lifetime |
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Before you buy
Is this genuine, warranted stock?+
Yes — authorised ADATA stock with full brand warranty, GST invoice, and serial tracking.
How fast does it ship?+
Dispatched in 5–7 days with tracked shipping across India. Tracking is shared by email and SMS.
What payment options are available?+
UPI, all major cards, net-banking, and no-cost EMI on eligible orders — chosen at checkout.
Can I return or replace it?+
Check our refund/return policies in the footer menu



