DELL
DELL PowerEdge R640 8B rack server 2× Xeon Gold 5122 3.60GHz 256GB DDR4 8× 1.2TB SAS
A 1U rack server with dual Xeon Gold 5122 CPUs, 256GB DDR4 ECC memory and eight 1.2TB 10K SAS drives for virtualization and database workloads
- TypeRackmount
- LEDsPower, Ethernet, USB
- CPU TypeGold 5122
- CPU Speed3.60GHz
- Number of CPU Cores4
- # of Processors Installed2
- Dual Xeon Gold 5122 at 3.60GHz for high-frequency compute
- 256GB DDR4 ECC memory supports dense virtualization workloads
- Eight 1.2TB 10K SAS drives deliver fast redundant storage
- PERC H740P controller simplifies RAID setup and management
- Dual 10GbE X540 plus dual 1GbE I350 for flexible networking
Purpose-built 1U rack server
The Dell PowerEdge R640 is a 1U rackmount server designed for business workloads such as virtualization, databases, file storage, backups and application hosting. It ships new with dual Intel Xeon Gold 5122 processors running at 3.60GHz, providing 8 cores and 16 threads total. The system includes 256GB of DDR4 ECC Registered memory and a PERC H740P RAID controller.
Upgrade path from smaller configurations
This configuration replaces single-socket or lower-core-count servers when workloads demand more simultaneous threads and larger memory capacity. The jump is worth it when current hardware cannot keep virtual machines responsive or when database query latency becomes a bottleneck. It also supersedes setups limited to fewer drive bays or slower storage controllers.
Capacity and headroom for growth
The 256GB DDR4 memory supports multiple services and data-heavy applications with room to expand toward the 3TB maximum. Eight 1.2TB 10K RPM SAS drives deliver high-speed storage access for operating systems, virtual machines and backups. Dual 10GbE and dual 1GbE ports handle network traffic for hybrid storage and virtualized environments. The 8-bay chassis is fully populated, so further storage expansion requires external enclosures.
Highlights
- Dual Xeon Gold 5122 at 3.60GHz for high-frequency compute
- 256GB DDR4 ECC memory supports dense virtualization workloads
- Eight 1.2TB 10K SAS drives deliver fast redundant storage
- PERC H740P controller simplifies RAID setup and management
- Dual 10GbE X540 plus dual 1GbE I350 for flexible networking
Specifications
| Brand | DELL |
|---|---|
| Type | Rackmount |
| LEDs | Power, Ethernet, USB |
| CPU Type | Gold 5122 |
| CPU Speed | 3.60GHz |
| Number of CPU Cores | 4 |
| # of Processors Installed | 2 |
| MAX Processors | 2 |
| Installed Memory Size | 256GB |
| Memory Type | DDR4 |
| Max Memory Capacity | 3TB |
| GPU Type | Integrated |
| Expansion Bays | 8B - 8x 2.5" |
| Operating System | No |
| Weight | 60 |
Questions about this item
What rack space and bay size does the R640 8B need?
The server is a 1U rackmount unit with eight 2.5-inch drive bays, all populated with 1.2TB SAS drives.
How are the Xeon Gold 5122 processors and H740P controller installed, and what step is often missed?
Both CPUs are pre-installed in the dual-socket board; the H740P RAID controller seats in the dedicated internal slot and its battery module must be connected before power-on.
Which parts will need replacement first in a 256GB DDR4 configuration with 8× 1.2TB SAS drives?
The 10K RPM SAS drives and the H740P controller battery are the primary wear items; DDR4 ECC registered modules and hot-swap fans are rated for longer service intervals.
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