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H3C UniServer R4900 G3 Server

HomeH3C UniServer R4900 G3 Server
R4900 G3 Front View with Bazel
R4900 G3 LFF
R4900 G3 Rear View
R4900 G3 SFF


Designed for the workloads of modern data centers

High expandability, high scalability, and high efficiency

With up to 24 NVMe SSDs and SATA M.2 SSDs, the new-generation R4900 G3 provides super expandability and configuration agility required by modern data centers.

As an indigenous mainstream dual-processor 2U rack server, the R4900 G3 adopts the most recent Intel? Xeon? Scalable processors, which improves processing performance by 71% and increases the number of cores by 27%. The use of 2933MT/s DDR4 DIMMs improves data transfer rate by 50% and extraordinary expandability is provided through up to 10 PCIe 3.0 slots and a maximum of 31 drives. The R4900 G3 supports power supplies with 96% efficiency and an operation temperature range of 5°C to 50°C (41°F to 122°F), creating high return on investment.

You can use the R4900 G3 to support the following services:

- Virtualization — Support multiple types of workloads on a single server to save space

- Big Data — Manage exponential growth of structured, unstructured, and semi-structured data.

- Applications centered on storage — Remove I/O bottleneck and improve performance

- Data warehouse/analysis — Query data on demand to help service decision

- Customer relationship management (CRM) — Help you to gain comprehensive insights into business data to improve customer satisfaction and loyalty

- Enterprise resource planning (ERP) — Trust the R4900 G3 to help you manage services in real time

- Virtual desktop infrastructure (VDI) — Deploys remote desktop service to bring great office agility and enable telecommuting with any device anywhere anytime

- High-performance computing and deep learning — Provide 3 dual-slot wide GPU modules in a 2U footprint, meeting the requirements of machine learning and AI applications

The R4900 G3 supports Microsoft? Windows? and Linux operating systems, as well as VMware and H3C CAS and can operate perfectly in heterogeneous IT environments.

Excellent performance improves data center productivity

Support the most up-to-date tech platforms and massive memory expansion

Support high-performance GPU acceleration

Scalable configuration protects IT investment

Flexible subsystem selection

Modular design that allows phased investment

Comprehensive security protection

Indigenous chip-level encryption

Security bezel, chassis lock, and chassis intrusion monitoring


2 × Intel? Xeon? Scalable processors

(Up to 28 cores and maximum 205 W power consumption)


3.0 TB (maximum)

24 × DDR4 DIMMs

(Up to 2933 MT/s data transfer rate and support of both RDIMM and LRDIMM)

(Up to 12 Intel ? Optane? DC Persistent Memory Module.(DCPMM)

Storage controller

Embedded RAID controller (SATA RAID 0, 1, 5, and 10)

Mezzanine HBA card (SATA/SAS RAID 0, 1, and 10)(Optional)

Mezzanine storage controller (RAID 0, 1, 5, 6, 10, 50, 60, and 1E)(Optional)

Standard PCIe HBA cards and storage controllers (Optional)


4 GB DDR4-2133MHz


Front 12LFF + rear 4LFF and 4SFF or front 25SFF + rear 2LFF and 4SFF(supports SAS/SATA HDD/SSD, front and inside NVMe drives, and up to 24 front NVMe drives)

480 GB SATA M.2 SSDs (Optional)


1 × onboard 1 Gbps management network port

1 × mLOM Ethernet adapter that provides 4 × 1GE copper ports or 2 × 10GE copper/fiber ports (Optional)

1 × PCIe Ethernet adapters (Optional)

PCIe slots

10 × PCIe 3.0 slots (eight standard slots, one for Mezzanine storage controller, and one for Ethernet adapter)


Front VGA connector (Optional)

Rear VGA connector and serial port

5 × USB 3.0 connectors (one at the front, two at the rear, and two in the server)

1 × USB 2.0 connector (Optional)

2 × MicroSD slots (Optional)


3 × dual-slot wide GPU modules or 8 × single-slot wide GPU modules

Optical drive

External optical drive

Only the 8SFF drive models support built-in optical drives


HDM (with dedicated management port) and H3C FIST

Power supply and ventilation

Platinum 550W/800W/850W/1200W/1600W, Titanium, or 800W –48V/336V DC power supplies (1+1 redundancy)

Hot swappable fans (supports redundancy)



Operating temperature

5°C to 50°C (41°F to 122°F)

The maximum operating temperature varies by server configuration. For more information, see the technical documentation for the device.

Dimensions (H × W × D)

Without a security bezel: 87.5 × 445.4 × 748 mm (3.44 × 17.54 × 29.45 in)

With a security bezel: 87.5 × 445.4 × 769 mm (3.44 × 17.54 × 30.28 in)


Three years

Next-business-day response, 5×9

Automation and customized configurations

vSAN ReadyNode? is jointly recommended by VMware and H3C on the tested and certified UniServer R4900 G3 for vSAN deployment.

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