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£44.78 inc. VAT
AI-generated summary
Kingston’s ValueRAM DDR3L 4GB stick at £37.88 ex-VAT is the kind of no-drama upgrade that’s actually useful in the right box. If you’ve got older PCs/laptops on DDR3L and you’re trying to get past basic “we’re stuck, it’s slow” issues—think office desktops, light VDI/Citrix sessions, or older lab/test machines—this will give you straightforward capacity headroom without paying premium “brand-new” pricing. Kingston is also a safe bet for predictable behaviour in mixed office environments, so it’s a solid choice when uptime matters more than exotic performance.
That said, I wouldn’t buy this if your systems can take DDR4 (or newer) or if you’re expecting a big speed jump. Adding 4GB helps, but only if the machine is genuinely memory-constrained—and DDR3 is already long in the tooth. Also, make sure your hardware supports DDR3L specifically (not just “DDR3”), and that you’re pairing it correctly with existing modules if you’re filling slots. For patchy, unknown compatibility scenarios, I’d spend the time to verify the exact model’s RAM requirements first—because the cheapest module is the one you can actually use.

Kingston
Kingston FURY Beast RGB - DDR5 - module - 16 GB - DIMM 288-pin - 5200 MT/s / PC5-41600 - CL40 - 1.25 V - unbuffered - on-die ECC - white

Lenovo
Lenovo TruDDR4 - DDR4 - module - 32 GB - DIMM 288-pin - 3200 MT/s / PC4-25600 - 1.2 V - registered - ECC - for ThinkAgile VX3575-G Integrated System, VX5575 Integrated System, VX7576 Certified Node

Kingston
Kingston FURY Renegade RGB - DDR4 - kit - 256 GB: 8 x 32 GB - DIMM 288-pin - 3200 MT/s / PC4-25600 - CL16 - 1.35 V - unbuffered - non-ECC - black

Kingston
Kingston - DDR4 - module - 16 GB - SO-DIMM 260-pin - 3200 MHz / PC4-25600 - CL22 - 1.2 V - unbuffered - ECC - for Lenovo ThinkPad P1 Gen 4 20Y3, 20Y4