Dell PowerEdge R650 avec double Xeon 6346, 256 Go DDR4 et stockage mixte NVMe/SSD, RAID H755N
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  • Numéro de pièce:Dell PowerEdge R650
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Title

Dell PowerEdge R650 with Dual Xeon 6346, 256GB DDR4 & Mixed NVMe / SSD Storage, H755N RAID

Keywords

Dell PowerEdge R650, Intel Xeon 6346, 256GB DDR4 memory, H755N RAID controller, 960GB NVMe SSD, 6.4TB SSD (SATA/SAS), dual 1400W redundant PSU, 57412 dual-port 10GbE NIC

Description

The Dell PowerEdge R650 is a 1U dual-socket enterprise rack server optimized for density and performance. According to Dell’s spec sheet, the R650 supports dual Intel 3rd Gen Xeon Scalable processors, memory expansion up to 32 DDR4 DIMMs, and up to 12 NVMe drive slots. 

This particular build is equipped with **two Intel Xeon 6346** CPUs, delivering a strong multi-core foundation for virtualized workloads, databases, or compute tasks. With **256 GB of DDR4 memory**, it supports large working sets, caching, and high throughput across memory channels.

Storage is a hybrid mix: **2 × 960 GB NVMe SSDs** for hot tier / OS / caching, and **6.4 TB total SSD capacity** (likely SATA or SAS) for bulk data or less latency-sensitive storage. The H755N RAID controller ensures you can maintain redundancy and optimize performance across mixed storage types.

Network connectivity is handled via a **57412 Dual-Port 10GbE NIC**, providing high bandwidth uplink or clustering capability. Power is robust with **dual 1400W redundant PSUs**, ensuring reliability under load and redundancy in case of power module failure.

This configuration suits use cases such as virtualization hosts, storage front ends, database servers, or any environment where you need speed, storage diversity, and reliability all in a compact 1U chassis.

Key Features

Configuration

ComponentSpecification / Detail
ModelDell PowerEdge R650
CPU2 × Intel Xeon 6346
Memory256 GB DDR4 (matched / configured modules)
NVMe Drives2 × 960 GB NVMe SSDs
SSD (bulk)6.4 TB SSD storage (SATA / SAS depending on backplane)
RAID ControllerH755N RAID card (NV cache, hardware RAID support)
Network Adapter57412 dual-port 10GbE (OCP / PCIe slot)
Power Supply2 × 1400W redundant hot-plug PSUs

Compatibility

The R650 supports the Intel 3rd Generation Xeon Scalable family, with full support for dual CPUs and up to 32 DDR4 memory modules. 

Memory must follow Dell’s memory population rules to achieve rated speeds and performance. NVMe drives are supported via the R650 native NVMe backplanes or hybrid backplane options. 

H755N RAID cards are commonly supported in Dell PowerEdge platforms with appropriate firmware and driver support. When using mixed SSD + NVMe, ensure firmware and driver compatibility for both types of storage.

The 57412 dual-port 10GbE card is a standard Dell networking option and fits in supported PCIe / OCP slots. Ensure you have proper slot and bandwidth.

Power supplies (dual 1400W) are within typical high-end PSU options for the R650, but check cooling and rack power capacity to handle full load and redundancy.

Usage Scenarios

1) Virtualization / Hypervisor Host: Use this server to host VMs, containers, or microservices clusters. NVMe drives can host hot VM images; SSD bulk storage for data stores.

2) Database / Analytics Front-End: Use NVMe SSD as log / transaction tier, and bulk SSD tier for data reads / writes. The RAID card ensures redundancy.

3) High-Performance File Services: Provide fast file share or block storage with redundancy for medium to high throughput applications.

4) Storage Gateway / Caching Node: Use the NVMe drives as caching / tiering layer in front of larger slower storage (on-prem or cloud).

5) Network-Attached Storage / iSCSI / SAN Front-End: Serve block storage over 10GbE with redundancy and performance in a compact 1U footprint.

Frequently Asked Questions

  1. Q: Can the R650 support full NVMe + SSD mix under the same RAID controller?
    A: Yes, subject to the backplane, controller firmware, and driver support. But combining NVMe and SATA/SAS under one controller may require compatibility testing. Use separate RAID volumes or HBA passthrough if needed.
  2. Q: Is 1400W PSU overkill for this configuration?
    A: Not necessarily. Under full CPU + NVMe + SSD under load, power draw can spike. Dual 1400W gives headroom and redundancy, ensuring stable operation under high I/O.
  3. Q: Will 256 GB memory saturate performance?
    A: For many workloads, 256 GB is sufficient. But for memory-intensive tasks (caching, in-memory DB), consider scaling further. Always distribute memory evenly across CPU channels.
  4. Q: What RAID levels should I use with mixed NVMe + SSD?
    A: Use RAID 1 or 10 for NVMe (for performance + redundancy), and RAID 5 or 6 for bulk SSDs. You could also isolate tiers (NVMe volume vs SSD volume) to maximize performance on NVMe while protecting bulk data.
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