- Network Admin
Network Documentation: Why It Matters and How to Do It
5 Sep, 2025

£2197.50 inc. VAT
AI-generated summary
At £1,831 ex-VAT for a 10TB 3.5" NL‑SAS drive, this is not a “sensible default” purchase for most SMB kit. NL‑SAS is aimed at capacity and cost per TB, and it generally behaves like the workhorse you spec into storage that isn’t being hammered by constant random I/O. If you’re buying this to replace old capacity drives in a NAS, archive, backup target, or any storage tier where performance isn’t the main bottleneck, the value is more defensible—especially if your workload is steady sequential reads/writes and you don’t need snappy responsiveness.
I’d be cautious if you’re considering it for database, virtualization hosts, or anything latency-sensitive where you’ll feel the difference versus higher-performance HDDs (or SSDs). Also, “Lenovo” drives can be perfectly fine, but you still need to be sure your enclosure/backplane and controller support the exact NL‑SAS behaviour expected by that server/storage platform—because compatibility quirks and warranty/formatting expectations can turn a straightforward swap into a headache.
**Who should buy:** teams adding bulk capacity to Lenovo storage/NAS/backup systems that don’t demand top-tier performance. **Who should avoid:** environments where drive responsiveness matters, or buyers who just want the cheapest TB without thinking about workload and system compatibility.

Lenovo
Lenovo ThinkSystem - Hard drive - encrypted - 2.4 TB - hot-swap - 2.5" - SAS 12Gb/s - 10000 rpm - Self-Encrypting Drive (SED) - for ThinkSystem SR250 V3, SR630 V2 7Z70, 7Z71, SR630 V3, SR645 7D2X, 7D2Y, SR650 V3, ST250 V3

Lenovo
Lenovo - Hard drive - simple-swap - 8 TB - removable - 3.5" - SATA 6Gb/s - 7200 rpm - for ThinkSystem ST50 V2 7D8J (3.5"), 7D8K (3.5")

Lenovo
Lenovo ThinkSystem - Hard drive - 2 TB - hot-swap - 3.5" - SATA 6Gb/s - nearline - 7200 rpm - for ThinkAgile MX3330-H Appliance, MX3331-H Certified Node, MX3530-H Hybrid Appliance

Lenovo
Lenovo ThinkSystem - Hard drive - 4 TB - 3.5" - SATA 6Gb/s - nearline - 7200 rpm - for ThinkSystem SR250 (3.5"), SR530, SR550, SR570, SR590, ST250, ST550, ST650 V2 7Z74, 7Z75