Dell Dell Poweredge R640 Configure To Order Rack Server — Configurable 2U Rack Server (Dell)

How Much Does Dell PowerEdge R640 Configure To Order Rack Server Cost in 2026?

As of July 2026, the Dell PowerEdge R640 Configure To Order Rack Server is priced in the $309 range for used or refurbished units in condition grade B. This price typically reflects a 40–60% savings compared to new units, which can range from $770 to $1,000 depending on configuration and vendor. Refurbished units are commonly available from vendors like Axus Technology and Ferrotec, both of which have track records in providing reliable, tested Dell server hardware.

Used units in lower condition grades (C or D) can be found for as low as $250, but these often come with higher risk—such as potential drive or power supply failures—leading to unplanned downtime costs that can exceed $1,200 in enterprise settings. A failure during deployment or operation due to a low-grade unit can cost up to $3,000 in lost productivity and emergency repairs.

For organizations needing a reliable, mid-range rack server without the premium of a new unit, the R640 in condition grade B offers a strong balance between cost and reliability. However, buyers should be cautious of units with unclear maintenance history or missing documentation, as these can lead to hidden costs and operational delays.

Dell PowerEdge R640 Configure To Order Rack Server Specifications and Compatible Tools

The Dell PowerEdge R640 is a 2U rack server with a maximum of 2 x Intel Xeon Scalable processors (typically up to 20 cores per CPU), 24 DIMM slots supporting up to 1.5TB of DDR4 memory, and up to 10 x 3.5"/2.5" drive bays. It supports PCIe 4.0 and typically includes dual 10GbE ports. The server is commonly configured with either SAS or NVMe storage, and it supports redundant power supplies.

This server is typically used with Dell’s OpenManage tools, specifically versions 9.3–10.1, which are compatible through 2025. It is also compatible with third-party tools like IPMI 2.0 and iDRAC 9. However, it is not compatible with newer iDRAC 10 versions, so buyers should verify their existing management infrastructure.

The R640 is generally in its mid-lifecycle, with a typical RF (return for repair) rate of 12–15% over 3 years. Units configured with high-end components may have shorter lifecycles due to thermal stress. A failure in the power supply or drive backplane can lead to full system downtime, with repair costs averaging $800–$1,200.

What to Check Before Buying a Used Dell PowerEdge R640 Configure To Order Rack Server in 2026

1. Verify the Production Year: The R640 was produced from 2018 to 2021. Units older than 2019 may have higher failure rates due to aging capacitors and cooling components.

2. Check the Drive Backplane and Power Supply: Run a SMART test on all drives and verify the power supply’s health using Dell’s diagnostic tools. Reject units with SMART errors or power supplies over 5 years old.

3. Test the Memory and CPU: Use MemTest86+ and Intel’s Processor Identification Utility to ensure no ECC memory errors and that the CPU is functioning within spec. A memory failure can lead to system crashes and data corruption, costing up to $2,000 in recovery.

4. Inspect the Cooling System: Ensure all fans are operational and that the heatsink is free of dust. A failed fan can lead to thermal shutdowns and CPU damage, with repair costs averaging $600–$900.

5. Review the iDRAC Logs: Look for repeated hardware errors or unexpected reboots. A unit with more than 20 error events in the last year should be rejected, as it may indicate a systemic issue.

Buying a used R640 with unresolved issues can result in downtime of 1–3 days, costing up to $5,000 in lost productivity. Always request a full diagnostic report and warranty from the seller.

FAQ

Q: Can I use the Dell PowerEdge R640 with newer iDRAC 10 firmware?
A: No. The R640 is not compatible with iDRAC 10. It is designed to work with iDRAC 9, which is supported through 2025. Attempting to upgrade may cause instability or failure to boot.

Q: How long can I expect the Dell PowerEdge R640 to last in production?
A: With proper maintenance, the R640 can last 5–7 years in a controlled environment. However, units over 6 years old may see a 30% increase in failure rates, especially in high-temperature or high-dust environments.

Q: What is the average cost of a full system failure on the R640?
A: A full system failure, such as a dual power supply or drive backplane failure, can cost between $1,200 and $2,000 in parts and labor. Downtime during repair can cost an additional $3,000–$5,000 in lost productivity.

Q: Should I buy a used R640 with a SMART error on one drive?
A: No. A SMART error indicates imminent drive failure. Even if the server is currently operational, the drive could fail within 72 hours, leading to data loss and repair costs of $800–$1,200.

Q: How does the R640 compare to the newer R750 in performance?
A: The R640 is a 2U server with up to 20-core CPUs, while the R750 offers up to 60-core CPUs and PCIe 5.0. The R750 is 30–40% faster in compute-heavy workloads, but the R640 is significantly cheaper and still suitable for mid-range applications.