DELL
DELL PowerEdge R640 40-Core Rack Server 2x Xeon Gold 6148 2.40GHz 256GB DDR4 H730P 10x 2.5
A 40-core 2U rack server with dual Xeon Gold 6148 CPUs, 256GB DDR4, an H730P controller and ten 2.5-inch NVMe-capable drive bays
- TypeRackmount
- LEDsPower, Ethernet, USB
- CPU TypeGold 6148
- CPU Speed2.40GHz
- Number of CPU Cores18
- # of Processors Installed2
- 40 cores from dual Xeon Gold 6148 CPUs handle heavy virtualization workloads
- 256 GB DDR4 memory supports many simultaneous virtual machines and databases
- 10 drive bays with 8 NVMe-capable slots let you choose fast local storage
- H730P RAID controller simplifies array setup and daily management
- 1U rack form factor fits dense data-centre deployments
1U Rack Server with 40 Cores
The Dell PowerEdge R640 is a 1U rackmount server system powered by two Intel Xeon Gold 6148 processors. Each CPU delivers 18 cores at 2.40 GHz, giving a total of 40 cores for parallel workloads. The chassis provides ten 2.5-inch drive bays, eight of which are NVMe capable, and includes an H730P storage controller for array management.
Virtualisation and database hosts
This server suits organisations running virtualisation clusters, database engines or mixed business applications that benefit from high core counts and large memory capacity. The installed 256 GB of DDR4 RAM supports multiple virtual machines and data-intensive services. Buyers who need GPU acceleration or more than two processor sockets should consider alternative platforms.
Eight NVMe-capable 2.5-inch bays
The single specification that decides fit is the storage bay layout: ten front-accessible 2.5-inch slots with eight wired for NVMe. This density lets you build all-flash arrays or mixed media configurations without adding external enclosures. Drives are not included, so you select the exact capacity and endurance rating the workload requires.
Highlights
- 40 cores from dual Xeon Gold 6148 CPUs handle heavy virtualization workloads
- 256 GB DDR4 memory supports many simultaneous virtual machines and databases
- 10 drive bays with 8 NVMe-capable slots let you choose fast local storage
- H730P RAID controller simplifies array setup and daily management
- 1U rack form factor fits dense data-centre deployments
Specifications
| Brand | DELL |
|---|---|
| Type | Rackmount |
| LEDs | Power, Ethernet, USB |
| CPU Type | Gold 6148 |
| CPU Speed | 2.40GHz |
| Number of CPU Cores | 18 |
| # of Processors Installed | 2 |
| MAX Processors | 2 |
| Installed Memory Size | 256GB |
| Memory Type | DDR4 |
| Max Memory Capacity | 3TB |
| GPU Type | Integrated |
| Expansion Bays | 10B - 10x 2.5" (8x NVMe Capable) |
| Operating System | No |
| Weight | 60 |
Questions about this item
Which components inside the 10-bay chassis will need replacement after extended operation?
The H730P RAID controller battery and the redundant fan modules are the field-replaceable parts that typically wear first; drive trays and backplane connectors are rated for the server's service life.
What thermal or power ceiling limits sustained load on the dual Xeon Gold 6148 processors?
The 2-processor maximum and 3TB memory cap define the compute ceiling; each CPU runs at 2.40GHz with 18 cores, so total thread count and memory bandwidth set the practical limit.
How much heat and power does the fully loaded 640 rack unit produce during all-day operation?
With two Gold 6148 CPUs, 256GB DDR4 and ten 2.5-inch drives, the system draws significant wattage and exhausts hot air rearward; redundant fans and the H730P controller add to the thermal load.
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