# Aivres KR1280 datasheet (parsed)

Parsed from Aivres's PDF https://aivres.com/wp-content/uploads/KR1280V2-datasheet.pdf on 2026-10-15 (2 pages; OCR and table reconstruction by Reducto; tables are HTML inside this Markdown, images are figure crops from the PDF). Specifications belong to Aivres and are subject to change without notice; the PDF is the authority.

Products: [kr1280-x2](https://aivres.upstation.io/p/kr1280-x2)

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*AIVRES*

<b>DATASHEET</b>

![figure](images/reducto/p001_figure_0003.jpg)

KR1280V2

<b>High-Density 2-Socket Server
with Multiple Configurations</b>

<b>KR1280V2 with 4th Generation Intel® Xeon® Scalable is a 1U 2-socket general purpose rackmount server delivering high-density performance and scalability to support compute-intensive applications like high-performance computing and virtualization.</b>

intel®

![figure](images/reducto/p001_figure_0008.jpg)

• 2x 4th Gen Intel® Xeon® Scalable

• Supports up to 12x 2.5" SAS/SATA/NVMe or 32x PCIe 5.0 E1.S configurations

• Delivers high-density performance and scalability in 1U

• Supports compute-intensive applications like high-performance computing, virtualization

• Supports 3 cooling schemes: air cooling, cold plate liquid cooling, and immersion liquid cooling

<b>Technical Specifications</b>

<b>Model</b>: <b>KR1280-X2</b>
<b>Configuration</b>: <b>General</b>
<b>KR1280-X2-A0-R0-00</b>
<b>Front I/O</b>
<b>KR1280-X2-A0-F0-0</b>
<b>Form Factor</b>: 1U rack server
<b>Processor</b>: 2x 4th generation Intel® Xeon® Scalable processors, max TDP 350W, 4UPI
Up to 80x PCIe Gen5 Lanes
PCH: Intel® C741 Chipset
<b>Memory</b>: 32x DDR5 DIMM (8ch), supports RDIMM
<b>Storage</b>: <b>Front SKU 1:</b>
4x 3.5” SAS/SATA/NVMe + 4x 2.5” SAS/SATA/NVMe or
4x 3.5” SAS/SATA/NVMe + 2x E1.S + 2x SATA M.2
<b>Front SKU 2:</b>
10x 2.5” SAS/SATA/NVMe or
12x 2.5” SAS/SATA/NVMe or
8x 2.5” SAS/SATA/NVMe + 2x E1.S + 2x SATA M.2
<b>Front SKU 3:</b>
32x PCIe 5.0 E1.S (9.5mm/15mm)
<b>Internal:</b>
2x SATA 3.0 / 2x PCIe x4 M.2, compatible with 2280, 22110
<b>Rear:</b>
(Opt.) 2x 2.5” SAS/SATA
<b>Front I/O SKU:</b>
12x E1.S SSD + 2x SATA M.2 + 2x FHHL PCIe + 1x OCP 3.0 or
4x E3.S SSD / 4x 2.5” SAS/SATA/NVMe + 2x FHHL PCIe + 1x OCP 3.0
<b>Expansion Slots</b>: <b>Internal:</b>
(Opt.) 1 x8 RAID mezzanine or 2x PCIe x4 M.2
(Opt.) 2x hot-plug OCP 3.0 G5 Ethernet card (2 x8 or 1 x16 + 1 x8), supports NCSI
<b>Rear:</b>
2 x16 FHHL PCIe slot or 1 x16 FHHL PCIe slot + 2 x16 HHHL PCIe slot
<b>Internal:</b>
1 x8 RAID mezzanine
<b>Front and Rear:</b>
3x hot-plug OCP 3.0 G5 Ethernet card (front 1x + rear 2x)
4x PCIe standard card (front 2x + rear 2x)
<b>Security</b>: 1x TPM SPI 2.0, PFR

<u>www.aivres.com</u>

Copyright © 2024 Aivres. All Rights Reserved. The information contained herein is subject to change without notice.

Ver 1.0

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<b>Technical Specifications Continued</b>

<b>Cooling</b>: <b>Fans:</b> 8x 4056 hot-pluggable dual-rotor fan, N+1 rotor redundancy (none for immersive cooling models)
<b>Liquid cooling:</b> cold-plate (KR1280-X2-C0-R0-00)
<b>Liquid cooling:</b> immersion (KR1280-X2-M0-U0-00)
<b>PSU</b>: (1+1) 550W/800W/1300W/1600W/2000W, energy efficiency level to support 80 plus platinum, titanium gold
<b>Management</b>: AST2600 via DC-SCM adapter
<b>Dimensions</b>: 438mm (W) x 43.05mm (H) x 800mm / 850mm (D)

<u>www.aivres.com</u>

Copyright © 2024 Aivres. All Rights Reserved. The information contained herein is subject to change without notice.

Ver 1.0