# Aivres KR1280-X2 (4th/5th Gen Intel® Xeon® Scalable)

*Flagship High-Density 2-Socket Server with Multiple Configurations*

Machine-readable product context for AI assistants. Consumer page: https://aivres.com/product/kr1280-x2/. JSON: https://aivres.upstation.io/p/kr1280-x2.json.

KR1280V2 with 4th/5th 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.

## Highlights
- 2x 4th/5th 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

## Identity

| Field | Value |
|---|---|
| Family | KR1280 |
| Model numbers | KR1280-X2, KR1280-X2-A0-R0-00, KR1280-X2-C0-R0-00, KR1280-X2-M0-U0-00, KR1280-X2-A0-F0-00 |
| CPU platform | 4th/5th Gen Intel® Xeon® Scalable |
| GPU platform | none |
| Form factor | 1U rack server |
| Cooling | Fans: 8x 4056 hot-pluggable dual-rotor fan, N+1 rotor redundancy (none for immersive cooling models) / Liquid cooling: cold-plate (KR1280-X2-C0-R0-00) / Liquid cooling: immersion (KR1280-X2-M0-U0-00) |
| Category | compute |

## Specifications (aivres.com product page)

| Item | Specification |
|---|---|
| Configuration | General; KR1280-X2-A0-R0-00 |
| Form Factor | 1U rack server |
| Processor | 2x 4th/5th generation Intel® Xeon® Scalable processors, max TDP 350W, 4UPI; Up to 80x PCIe Gen5 Lanes; PCH: Intel® C741 Chipset |
| Memory | 32x DDR5 DIMM (8ch), supports RDIMM |
| Storage | Front SKU 1:; 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; Front SKU 2:; 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; Front SKU 3:; 32x PCIe 5.0 E1.S (9.5mm/15mm); Internal:; 2x SATA 3.0 / 2x PCIe x4 M.2, compatible with 2280, 22110; Rear:; (Opt.) 2x 2.5” SAS/SATA |
| Expansion Slots | Internal:; (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; Rear:; 2 x16 FHHL PCIe slot or 1 x16 FHHL PCIe slot + 2 x16 HHHL PCIe slot |
| Security | 1x TPM SPI 2.0, PFR |
| Cooling | Fans: 8x 4056 hot-pluggable dual-rotor fan, N+1 rotor redundancy (none for immersive cooling models); Liquid cooling: cold-plate (KR1280-X2-C0-R0-00); Liquid cooling: immersion (KR1280-X2-M0-U0-00) |
| PSU | (1+1) 550W/800W/1300W/1600W/2000W, energy efficiency level to support 80 plus platinum, titanium gold |
| Management | AST2600 via DC-SCM adapter |
| Dimensions | 438mm (W) x 43.05mm (H) x 800mm / 850mm (D) |

## Variants

- **kr1280-x2--kr1280-x2-a0-r0-00** — Form Factor: 1U rack server; Processor: 2x 4th/5th generation Intel® Xeon® Scalable processors, max TDP 350W, 4UPI; Up to 80x PCIe Gen5 Lanes; PCH: Intel® C741 Chipset; Memory: 32x DDR5 DIMM (8ch), supports RDIMM; Storage: Front SKU 1:; 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; Front SKU 2:; 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; Front SKU 3:; 32x PCIe 5.0 E1.S (9.5mm/15mm); Internal:; 2x SATA 3.0 / 2x PCIe x4 M.2, compatible with 2280, 22110; Rear:; (Opt.) 2x 2.5” SAS/SATA; Expansion Slots: Internal:; (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; Rear:; 2 x16 FHHL PCIe slot or 1 x16 FHHL PCIe slot + 2 x16 HHHL PCIe slot; Security: 1x TPM SPI 2.0, PFR; Cooling: Fans: 8x 4056 hot-pluggable dual-rotor fan, N+1 rotor redundancy (none for immersive cooling models); Liquid cooling: cold-plate (KR1280-X2-C0-R0-00); Liquid cooling: immersion (KR1280-X2-M0-U0-00); PSU: (1+1) 550W/800W/1300W/1600W/2000W, energy efficiency level to support 80 plus platinum, titanium gold; Management: AST2600 via DC-SCM adapter; Dimensions: 438mm (W) x 43.05mm (H) x 800mm / 850mm (D)
- **kr1280-x2--kr1280-x2-a0-f0-00** — Form Factor: 1U rack server; Processor: 2x 4th/5th generation Intel® Xeon® Scalable processors, max TDP 350W, 4UPI; Up to 80x PCIe Gen5 Lanes; PCH: Intel® C741 Chipset; Memory: 32x DDR5 DIMM (8ch), supports RDIMM; Storage: Front I/O SKU:; 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; Internal:; 2x SATA 3.0 / 2x PCIe x4 M.2, compatible with 2280, 22110; Rear:; (Opt.) 2x 2.5” SAS/SATA; Expansion Slots: Internal:; 1 x8 RAID mezzanine; Front and Rear:; 3x hot-plug OCP 3.0 G5 Ethernet card (front 1x + rear 2x); 4x PCIe standard card (front 2x + rear 2x); Security: 1x TPM SPI 2.0, PFR; Cooling: Fans: 8x 4056 hot-pluggable dual-rotor fan, N+1 rotor redundancy (none for immersive cooling models); Liquid cooling: cold-plate (KR1280-X2-C0-R0-00); Liquid cooling: immersion (KR1280-X2-M0-U0-00); PSU: (1+1) 550W/800W/1300W/1600W/2000W, energy efficiency level to support 80 plus platinum, titanium gold; Management: AST2600 via DC-SCM adapter; Dimensions: 438mm (W) x 43.05mm (H) x 800mm / 850mm (D)

## Documents

- Datasheet, parsed (2 pp): [Markdown](https://aivres.upstation.io/docs/kr1280v2/datasheet.md) · [HTML](https://aivres.upstation.io/docs/kr1280v2/datasheet.html) · [original PDF](https://aivres.com/wp-content/uploads/KR1280V2-datasheet.pdf)
- Whitepaper, parsed (129 pp): [Markdown](https://aivres.upstation.io/docs/kr1280-x2/whitepaper.md) · [HTML](https://aivres.upstation.io/docs/kr1280-x2/whitepaper.html) · [original PDF](https://aivres.com/wp-content/uploads/Aivres-White-Paper-KR1280-X2-v1.pdf)
- Product page: https://aivres.com/product/kr1280-x2/ · family page: https://aivres.com/product/kr1280/

## Images

Hotlinkable from aivres.com; figure crops hosted here. For presentations about this product only.

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- rear: https://aivres.com/wp-content/uploads/1280-x2-rear-2PCIe.webp
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## Lead time

- Not yet confirmed with Aivres; quoted with the price.

## Pricing

Pricing is being confirmed with Aivres and is not shown yet. Request a quote below.

## Terms

- One bundled price per configured system; quotes are valid 7 days; the price locks when the order is processed
- 25% deposit within 3 days of an NCNR purchase order, 75% before shipment; DAP delivery, continental US; 3-year standard warranty
- NVIDIA Inception discounts apply only when the approval code is on file before the order is processed
- US-sited deployments are handled by Aivres US; buyers outside North America are routed to an Aivres regional desk or handled through UpStation

## How to buy

Standard NDA → New-customer account form, W-9 or resale certificate, NVIDIA end-user statement, business licence → Quotation table (the intake fields below) → Quote with lead time, then purchase order and sales agreement → Pro forma, 25% deposit, compliance check (purchaser / end user / ship-to / HQ / parent / payer / destination / installation) → Ship.

## Get a firm quote

Email alec@upstation.io with the fields below, or open this prepared email: mailto:alec@upstation.io?subject=Quote%20request%3A%20Aivres%20KR1280-X2%20%284th/5th%20Gen%20Intel%C2%AE%20Xeon%C2%AE%20Scalable%29%20%28via%20aivres.upstation.io%29&body=End%20user%20or%20reseller%3A%20%0AEnd-user%20name%20and%20address%3A%20%0AShip-to%20address%3A%20%0APlatform%20%28for%20example%20KR9288-X3%20Intel%20or%20KR9288-E3%20AMD%29%20and%20configuration%3A%20%0AQuantity%3A%20%0AService%3A%203-year%20or%205-year%2C%20NBD%20on-site%20yes/no%2C%20white-glove%20yes/no%3A%20%0AEstimated%20PO%20date%20and%20required%20ship%20date%3A%20%0ATarget%20price%3A%20%0AConfidence%20%28%25%29%3A%20%0A%0ASource%3A%20https%3A//aivres.upstation.io/p/kr1280-x2%0A

- End user or reseller
- End-user name and address
- Ship-to address
- Platform (for example KR9288-X3 Intel or KR9288-E3 AMD) and configuration
- Quantity
- Service: 3-year or 5-year, NBD on-site yes/no, white-glove yes/no
- Estimated PO date and required ship date
- Target price
- Confidence (%)

Data as of 2026-10-15.
