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Air Cooling: KR4266-X2-A0-R0-00

Liquid Cooling: KR4266-X2-C0-R0-00


The KR4266V2 is a 4U dual-socket storage-optimized server, featuring a large storage capacity, outstanding computing performance and extraordinary I/O scalability. It is highly applicable to business scenarios such as warm/cold data storage, big data storage, and cloud storage pools.

Key Features
  • High storage capacity

    Supports up to 46 × 3.5-inch drive, providing a storage capacity of up to 1 PB to meet local data storage needs.

  • Powerful computing performance

    Featuring a complete series of new-generation processors, the server can provide up to a 60% increase in computing performance compared to its predecessor. In addition, it supports 2 dual-slot GPUs or 8 single-slot GPUs to meet the intensive workloads of intelligent video analytics (IVA) and realize efficient local data analysis and real-time AI applications.

  • Extraordinary I/O scalability

    Supports up to 13 PCIe expansion cards to supercharge I/O scalability; supports various storage, network, and GPU modules that can be flexibly configured based on different application scenarios, meeting user's business needs, eliminating I/O bottleneck, and boosting server performance.

  • Energy-efficient and low-carbon design

    Supports cold-plated liquid cooling and provides comprehensive liquid-cooling solutions for data centers.

Technical Specifications



Form Factor

4U rack server


One or two 4th Gen Intel® Xeon® Scalable processors

Up to 60 cores, with a max Turbo frequency of 4.2 GHz

4 UPI links per CPU at up to 16 GT/s per link

Up to 350W TDP


Intel C621A


32x DDR5 DIMM slots 4,800   MT/s


24× 3.5-inch hot-swappable   SATA/SAS drive


16× 3.5-inch hot-swappable SATA/SAS drive

4× 2.5-inch hot-swappable SATA/SAS/NVMe SSD

2× SATA/PCIe M.2 SSD or 2× E1.S SSD


6× 3.5-inch SATA/SAS drive

Up to 2 TF cards

Up to 16x U.2 NVMe SSDs

Storage Controller

RAID/SAS controller

Onboard PCH that supports 14x SATA connectors

Intel onboard NVMe controller and optional Intel NVMe RAID key


Supports multiple types of network expansion, and 2x hot-swappable OCP 3.0 cards

Supports expansion of PCIe 5.0 cards and smart NICs

I/O Expansion Slot

Up to 13x PCIe 5.0 slots, including 1 dedicated PCIe expansion slot for the RAID card and 2x OCP 3.0 slots



1× USB 2.0 port

1× USB 3.0 port

1× DB15 VGA port

1× USB type-C port


2× USB 3.0 port

1× DB15 VGA port

1× COM port (Micro USB)

1× RJ45 management network port


1× USB 3.0 port


Hot-swappable fans with N+1 redundancy

Power Supply

Supports 1,300W/1,600W/2,000W/2,700W CRPS power supplies with 1+1 redundancy

System Management

Integrated with 1 independent 1 Gb/s network port, dedicated to IPMI remote management

Security Feature

Two-factor authentication, TPM 2.0, security panel, intrusion alert, BMC/BIOS redundancy, power capping, etc.

Operating System

Microsoft Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server, CentOS, etc.

Dimensions (W × H × D)

447mm × 174.5mm × 837.3mm


Weight (with all drives installed): 62 kg (For details, refer to the White Paper)

Operating Temperature

5°C to 45°C (For details, refer to the White Paper)

Relevant Information

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