Lenovo ThinkSystem 16GB DDR5-5600
The 16GB TruDDR5 module runs at 5600 MHz with ECC error correction, a single-rank 288-pin DIMM built for Lenovo ThinkSystem servers. Its unbuffered design keeps latency low while the ECC protection guards against data corruption in entry-level enterprise workloads. Best for IT buyers upgrading an ST45 V3 server with reliable, server-grade memory at a modest capacity.
Überblick
The 30-Second Version
Great ECC RAM for one specific Lenovo server. Terrible value for literally anything else.
Pros & Cons
Vorteile
- ECC protection means fewer silent data errors 78th
- 5600MHz speed is well above average for server RAM
- Exact match for Lenovo ST45 V3 compatibility
- Single-rank design plays nice with server memory controllers
Nachteile
- Latency is near the bottom of the barrel
- 16GB capacity is just middle of the pack
- Priced like enterprise hardware, not consumer RAM
- Useless for laptops or most desktops
Was Besitzer sagen
The Word on the Street
Die Fakten
Performance
5600 MT/s with ECC is solid for entry-level server work. The speed lands in the 78th percentile, so it's well above average for this class. But the latency is rough, sitting in the 14th percentile. That's a real weak spot if you're chasing snappy response times. For a server handling basic workloads, the ECC reliability matters more than raw latency, so it's not a dealbreaker. Just don't expect it to feel like enthusiast desktop RAM.
Specifications
Full Specifications
Memory
| Type | DDR5 |
| Form Factor | UDIMM |
| Total Capacity | 16384 |
| Modules | 1 |
| Per Module | 16384 |
| Pins | 288 |
| Rank | Single-rank |
Performance
| Speed | 5600 |
Class
| ECC | Yes |
| Registered | No |
vs Competition
Against consumer DDR5 kits like the Kingston FURY Beast or Corsair VENGEANCE RGB, this Lenovo stick looks slow and overpriced. Those kits offer higher capacities and better latency for less money. But they don't have ECC, and they're not validated for ThinkSystem servers. The G.Skill Ripjaws S5 and Crucial Pro kits are also faster for desktop use. If you need ECC and server validation, none of those are real alternatives. If you don't need ECC, all of them are better buys.
| Spec | Lenovo ThinkSystem | Kingston FURY Beast KF564C32BWEAK2-64 | Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 | G.Skill Ripjaws S5 F5-6400J3239G32GX2-RS5K | Crucial Pro Overclocking CP2K16G64C32U5B | KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK |
|---|---|---|---|---|---|---|
| Capacity | 16GB | 64GB | 64GB | 64GB | 32GB | 64GB |
| Kit | 1 x 16GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 16GB | 2 x 32GB |
| Memory Type | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 5600 | 6400 | 6400 | 6400 | 6400 | 6000 |
| Cas Latency | - | CL32 | CL32 | CL32 | CL32 | CL30 |
| Form Factor | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | true | false | false | false | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Produkt | Speed | Feature | Latency | Capacity | Nutzerresonanz | Affordability |
|---|---|---|---|---|---|---|
| Lenovo ThinkSystem | 77.6 | 61.6 | 14.2 | 45.1 | 30.9 | 19.5 |
| Kingston FURY Beast KF564C32BWEAK2-64 Compare | 94.8 | 89.6 | 87.6 | 89.8 | 92.3 | 7.5 |
| Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 Compare | 94.8 | 89.6 | 87.6 | 89.8 | 97.8 | 6.8 |
| G.Skill Ripjaws S5 F5-6400J3239G32GX2-RS5K Compare | 94.8 | 74.8 | 87.6 | 89.8 | 85.7 | 5.2 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.8 | 74.8 | 87.6 | 70.7 | 85.7 | 27.3 |
| KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK Compare | 87.6 | 89.6 | 87.6 | 89.8 | 85.7 | 9.3 |
Preis
Value & Pricing
This is where it gets painful. You're paying enterprise tax for a 16GB stick. EUR prices swing from EUR 822 to EUR 951 across vendors, and the best deal we found is at the EUR 822 listing. CAD is even wilder, ranging from CAD 600 to CAD 1,644. That's a CAD 1,044 spread for the same stick. Shop around hard if you're buying in Canada. For a single 16GB module, this is expensive no matter how you slice it.
Amazon 1 Angebot Ab 822 €
Price History
Mehr erfahren
Overview
This is a server memory stick, not a gaming upgrade. The Lenovo ThinkSystem 4X77A93556 is a 16GB TruDDR5 5600MHz ECC UDIMM built specifically for the Lenovo ST45 V3 server. If you're running that box and need reliable, error-correcting RAM, this is the exact part Lenovo wants you to use. If you're building a desktop, keep scrolling.
Common Questions
Q: Will this work in a regular desktop PC?
Probably not. It's an ECC UDIMM validated for Lenovo ST45 V3 servers. Most consumer motherboards won't support ECC, and even if they do, this isn't on the QVL. Get a standard DDR5 kit instead.
Q: Can I mix this with non-ECC RAM?
No. Don't do that. ECC and non-ECC don't mix. You'll either get errors or the system won't boot. Stick with matching ECC modules.
Q: Is 16GB enough for a server?
For entry-level workloads, sure. But if you're running virtualization or multiple services, you'll want more. This is a single 16GB stick, so plan your slots accordingly.
Who Should Skip This
If you're building a gaming rig or a workstation, this isn't for you. Go grab a Kingston FURY Beast or Corsair VENGEANCE kit. You'll get more capacity, better latency, and spend less money. This Lenovo stick is for one job: keeping a ThinkSystem server happy.
Verdict
Buy this if you have a Lenovo ST45 V3 and need guaranteed compatibility with ECC. That's the whole pitch. For anyone else, this is a waste of money. The speed is fine, but the latency is bad, the capacity is average, and the price is enterprise-grade. It's a purpose-built part, and that purpose is narrow.
Usage Scores
- Gesamt49.6
- Budget49.8
- Gaming51.8
- Laptop35.7
- Server57.6
- Workstation55.3
