It's good to put aside marketing brochures here and look at things operationally. The Dell PowerEdge R640 in the configuration "R640 – Xeon SILVER 4110 – 128 GB RAM – 2X 240 SSD" for 22,000 CZK shows exactly the type of offer that often makes the most sense for companies: a reasonable server, equipped and ready to work. Next to the Dell PowerEdge R650, it beautifully highlights where the new architecture is better and where, on the other hand, the economics of a refurbished solution still win.

Stříbrný server R640 Xeon Silver s porty, chlazením a 128 GB RAM, repasovaný workstation
Specific refurbished Dell PowerEdge R640 server from our offer

For April 2026, the R650 is still a realistic reference: it's newer, still available, and at the same time close enough to what a customer would actually consider alongside a refurbished R640.

Configuration you are actually buying

This consideration is not based on a general server type, but on a specific item from the offer. That's why it makes sense to stick to the real configuration "Xeon SILVER 4110 – 128 GB RAM – 2X 240 SSD" and not just compare catalog maximums against catalog maximums.

We have multiple configurations of the same model in our e-shop. For this article, I am taking the "R640 – Xeon SILVER 4110 – 128 GB RAM – 2X 240 SSD" variant as representative, because it best shows the ratio of price, equipment, and practical usability.

  • Specific item: Dell PowerEdge R640
  • Price in our e-shop: 22,000 CZK
  • Processor: XEON SILVER 4110
  • PassMark: 10274/1593
  • Cores / Threads / Cache: 8/16/11
  • Clock Speed: 3000
  • TDP: 85
  • RAM Memory: 128 GB DDR4
  • Storage: 2X 240 SSD

Technical comparison side-by-side

The table combines the specific in-stock configuration of the refurbished item with the model capabilities of both platforms. For ports, power supplies, drive bays, and PCIe slots, it always depends on the exact chassis and risers, so consider the values as a practical purchasing overview, not as the only possible configuration.

Parameter Dell PowerEdge R640 Dell PowerEdge R650
Specific configuration in article CPU: XEON SILVER 4110; RAM: 128 GB DDR4; Storage: 2X 240 SSD New Dell PowerEdge R650, manufacturer's standard configuration
Price 22,000 CZK (approx. $1,067) From $16,688 based on current reference offer
Form Factor 1U rack 1U rack
Processor Platform Intel Xeon Scalable 1st and 2nd generation 3rd generation Intel Xeon Scalable
Number of CPU Sockets 2 2
Cores / Threads for specific item 8/16/11 Up to 40 cores per CPU depending on configuration
Clock Speed for specific item 3000 According to selected CPU
TDP / CPU Power Consumption 85 W for installed CPU/CPU set Better performance per watt, final consumption determined by CPU, NVMe, and RAM
Memory Slots 24 DIMM slots 32 DIMM slots
Maximum Platform RAM Up to 3 TB DDR4, more with PMem depending on CPU Up to 8 TB DDR4, more with PMem depending on configuration
RAM Type and Speed DDR4 RDIMM / LRDIMM up to 2933 MT/s DDR4 RDIMM / LRDIMM up to 3200 MT/s
Installed RAM in article 128 GB DDR4 According to selected configuration
Drive Bays Up to 10x 2.5" or 4x 3.5" depending on chassis Up to 10x 2.5" including NVMe or 4x 3.5" depending on chassis
Installed Storage in article 2X 240 SSD According to selected configuration
Controllers / RAID PERC / SATA / SAS / NVMe according to configuration PERC / HBA / SATA / SAS / NVMe according to configuration
PCIe / Expansion Slots Up to 3 PCIe 3.0 slots depending on riser PCIe Gen4, up to 3 slots depending on riser
Network Ports NDC / OCP according to configuration OCP 3.0, 1GbE/10GbE/25GbE according to configuration
Remote Management iDRAC9 iDRAC9
Front Ports USB, VGA, and status indicators depending on front panel USB, VGA, and status indicators depending on front panel
Rear Ports USB, VGA, serial port, iDRAC, and LAN according to configuration USB, VGA, serial port, iDRAC, and OCP/LOM according to configuration
Internal Boot / Service Ports BOSS / internal USB / microSD according to configuration BOSS-S2 / internal USB / microSD according to configuration
Power Supplies Hot-plug redundant power supplies Hot-plug redundant power supplies
Power Supply Output 495 W, 750 W, 1,100 W or higher depending on configuration 800 W, 1,100 W or 1,400 W depending on configuration
Power Consumption Note Consumption depends on CPU, RAM, NVMe, and redundant power supply Better performance per watt, final consumption determined by CPU, NVMe, and RAM

Architecture and practical performance

Architecturally, the Dell PowerEdge R650 is, of course, more advanced. The older foundation here is the first and second-generation Intel Xeon Scalable platform, while the newer model already brings the third-generation Intel Xeon Scalable platform. This means a more modern base, a better ceiling for processors, and usually higher power efficiency per watt. This is an argument I would definitely not underestimate.

The specific item on offer boasts approximately 10,274 PassMark points, so it is by no means a server that would only be suitable for "seeing out its life." And that's important: for dense virtualization, databases, containers, and computationally intensive application layers, this server can still do a very honest job. The difference compared to the newer model is real, but in typical business operations, it's not as dramatic as the platform's age might suggest.

Price, RAM, and disks in 2026

If I had to highlight one reason why refurbished solutions are still worth serious consideration, it's the acquisition cost of an equipped server. The Dell PowerEdge R640 costs 22,000 CZK. The price already includes 128 GB of DDR4 RAM, which can very quickly inflate the budget for a new server. Equally important is the storage setup: 2X 240 SSD. If you want a similarly usable configuration from new hardware, you'll pay significantly more not only for the chassis but also for every additional capacity.

With a 1U powerful server, it's clearly visible that a new unit may be architecturally more advanced, but a fully equipped refurbished solution is still dramatically cheaper. Therefore, it makes no sense to evaluate the Dell PowerEdge R640 solely by its release year, but by the work it actually needs to do and how much you want to pay for it.

Verdict for price-sensitive demand

For me, the conclusion is fair: the new Dell PowerEdge R650 will win on architecture and future headroom, but the Dell PowerEdge R640 can still win on price, equipment, and suitability for dense virtualization, databases, containers, and computationally intensive application layers. And that's precisely why similar refurbished servers haven't disappeared from the market.

Product in our shop: R640 – Xeon SILVER 4110 – 128 GB RAM – 2X 240 SSD
Manufacturer's reference model: Dell PowerEdge R650

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