DELL PowerEdge R640 1U Rack Server 2x Xeon Gold 6148 2.4GHz 20-Core 256GB DDR4 2x 800GB SSD
- Rack
- 1U
DELL
A 1U rack server with dual 12-core Xeon Gold 5118 processors, 256GB DDR4 ECC memory, eight 400GB SATA SSDs on a PERC H730P RAID controller, quad-port 1GbE and 10Gb SFP+ networking.
The Dell PowerEdge R640 is a 1U rack server built for dense scale-out data center workloads. It ships with two Intel Xeon Gold 5118 processors, each running at 2.3 GHz with 12 cores. The system includes 256 GB of DDR4 registered ECC memory across eight 32 GB modules. Eight 400 GB SATA SSDs and a PERC H730P RAID controller provide high-speed storage in a compact form factor.
This configuration suits virtualization hosts, database clusters and high-performance computing tasks that demand many CPU threads and fast storage IOPS. The quad-port network daughter card with dual 10 Gb SFP+ and dual 1 GbE links supports heavy east-west traffic. Buyers who need GPU acceleration or single-threaded frequency above 3.2 GHz turbo should look at alternative platforms.
The Intel C620 chipset and dual LGA 3647 sockets expose 24 DDR4 DIMM slots, allowing expansion from the installed 256 GB up to the platform maximum of 3 TB. This slot count is the decisive factor for planning memory-intensive deployments such as in-memory databases or large virtual machine densities.
| Brand | DELL |
|---|---|
| Series | PowerEdge R640 |
| Model | R640 |
| Type | Rack |
| Rack Height | 1U |
| Redundant Hot-swap Power | Yes |
| CPU Type | Intel Xeon |
| CPU Speed | 2.30 GHz |
| CPU Socket | LGA 3647 |
| Number of CPU Cores | 12-Core Processor |
| # of Processors Installed | 2 |
| MAX Processors | 2 |
| Chipset | Intel C620 |
| Installed Memory Size | 256GB |
| Memory Type | DDR4 |
| Max Memory Capacity | 3TB |
| Number of Memory Slots | 24 |
| Storage Controller | Dell Perc H730P 2GB Controller |
| HDD Interface | SATA |
| SSD (Installed) | 8 x 400GB SATA SSD |
| Raid Level | RAID 0/1/5/6/10/50/60 |
| GPU Type | Matrox G200 |
| Video Memory | 8MB |
| Ethernet Controller | Dell Intel X520/I350 Quad Port 2x 1GbE 2x 10Gb SFP+ Network Daughter Card |
| LAN Ports | 4 x Ports |
| Expansion Slots | Up to 3 PCIe Gen 3 slots all x16 |
| Management Port | RJ 45 |
| Operating System | No |
| Features | 8 x 2.5" SATA/SAS Hot-Plug Drive Bays |
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The PERC H730P includes a 2GB cache with battery backup; the battery typically lasts several years and should be replaced when the controller reports a degraded state during POST or in iDRAC9 Enterprise alerts.
The two Xeon Gold 5118 processors each have 12 cores at 2.3GHz with 3.2GHz turbo; under continuous load the CPU package power limit is reached before memory or storage bottlenecks appear.
Redundant 750W platinum supplies and high-speed fans keep inlet temperatures within spec; expect noticeable fan noise typical of a dense 1U server under constant load.
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