Supermicro SYS-621H-TN12R Rack Server (OEM New)
Supermicro SYS-621H-TN12R. New OEM build, current-generation, original components. Sourced across China, QC-audited in our Shenzhen warehouse. Refurbished available on request — request a quote.
Configuration
| CPU | Dual Socket E (LGA-4677); 5th Gen Intel® Xeon® / 4th Gen Intel® Xeon® Scalable processors; Supports Intel Xeon CPU Max Series with high bandwidth memory (HBM); |
| Core Count | Up to 64C/128T; Up to 320MB Cache per CPU; |
| Note | Supports up to 350W TDP CPUs (Air Cooled); Supports up to 350W TDP CPUs (Liquid Cooled); |
| Max GPU Count | Up to 4 double-width or 8 single-width GPUs; |
| Supported GPU | NVIDIA PCIe: H100, A100, A16, A40, L4, L40, L40S; |
| Memory | Slot Count: 32 DIMM slots; Max Memory (1DPC): Up to 4TB 5600MT/s ECC DDR5 RDIMM; Max Memory (2DPC): Up to 8TB 4400MT/s ECC DDR5 RDIMM; |
| Memory Voltage | 1.1V; |
| SATA | SATA (6Gbps) ; RAID 0/1/5/10 support; |
| NVMe | NVMe; RAID 0/1/5/10 support(Intel® VROC RAID key required); |
| Network Connectivity | Via AIOM; |
| LAN | 1 RJ45 1 GbE Dedicated BMC LAN port; |
| USB | 2 USB 2.0 ports(rear); 2 USB 3.2 Gen1 ports(Header); |
| Video | 1 VGA port; |
| BIOS Type | AMI 64MB SPI Flash; |
| Software | SuperCloud Composer® (SCC); Supermicro Server Manager (SSM); Supermicro Update Manager (SUM); Supermicro SuperDoctor® 5 (SD5); Super Diagnostics Offline (SDO); Supermicro Thin-Agent Service (TAS); SuperServer Automation Assistant (SAA) New!; |
| Power configurations | Power-on mode for AC power recovery; ACPI Power Management; |
| CPU | Monitors for CPU Cores, Chipset Voltages, Memory; |
| Fan | Fans with tachometer monitoring; Pulse Width Modulated (PWM) fan connectors; Status monitor for speed control; |
| Temperature | Monitoring for CPU and chassis environment; Thermal Control for fan connectors; |
Overview
Memory depth is the case for the SYS-621H-TN12R. This general-purpose dual-socket machine for Sapphire and Emerald Rapids runs two modules per channel across the full board, accepts Xeon CPU Max processors with on-package HBM, and offers liquid cooling for the processors. Add a bank of double-width GPUs — H100, A100, L40S — and this rack server becomes a credible host for in-memory analytics with acceleration, or for HPC codes that live on memory bandwidth. A new system, sourced for your order through our China procurement and finished in Shenzhen, where the warehouse checks the build against the agreed configuration and records every serial number. Its warranty is 1-yr hardwaresys RTB + vendor’s own warranty. Decide between standard Xeon and Xeon CPU Max: Max processors can run from their own HBM, which may change how much DIMM memory the quote needs. Tell us the dataset size and request a quote.
Need accessories?
RAM, drives, cables, rails — we source everything that goes into the rack.
Every unit is QC-inspected
Standard included on every order. Engineering and Expert available on request.
See QC levels →How we work
Consult & scope
We read your spec, advise on models, budget and timeline.
Spec & price
Our engineer fixes the build; the buyer prices it from vendors.
Contract
Quote, terms and documents — the rate is held, not floating.
Build & QC
Vendor build, then your chosen QC tier with a documented report.
Logistics & customs
Packing, then air from Shenzhen / Hong Kong · delivery quoted per shipment.
Delivery
Final inspection and door-to-door handover.
Common problems when buying rack servers
"In stock" that isn't
We quote real availability — In Shenzhen — ready, or build-to-order with a date — never a stock status we can't hold.
Grey-market boxes with no history
Every unit is QC-tested with a documented report; you see the checks before it ships.
Refurb that's really e-waste
Grade A refurbished only, same one-year warranty as new — or we tell you to buy new instead.
Live price — SUPERMICRO-SYS-621H-TN12R-NEW
Optics and enterprise-hardware pricing moves with the market daily, so we don't publish a static number that would be wrong by tomorrow. Send the part number and quantity and you'll have today's real rate — usually within 48 hours, Gulf business time (UTC+4).