Supermicro SYS-621C-TN12R Rack Server (OEM New)
Supermicro SYS-621C-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; |
| Core Count | Up to 64C/128T; Up to 112.5MB Cache per CPU; |
| Note | Supports up to 350W TDP CPUs (Air Cooled)*; *Air Cooled CPUs with TDP over 270W only supported under specific conditions. Contact a Supermicro representative for details.; |
| Max GPU Count | Up to 2 double-width or 6 single-width GPUs; |
| Supported GPU | NVIDIA PCIe: H100, H100 NVL, A2, L4, L40, L40S, RTX A4000, RTX A4500, RTX A5000, RTX A6000; Intel PCIe: Intel Data Center GPU Flex 140, Intel Data Center GPU Flex 170; |
| Memory | Slot Count: 16 DIMM slots; Max Memory (1DPC): Up to 4TB 5600MT/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(VROC HW key required); |
| Network Connectivity | Via AIOM; |
| LAN | 1 RJ45 1 GbE Dedicated BMC LAN port; |
| USB | 2 USB 3.2 Gen1 Type-A ports(rear); |
| Video | 1 VGA port; |
| Serial | 1 COM port(rear); |
| TPM | 1 TPM header; |
| BIOS Type | AMI 32MB SPI FLASH ROM; |
| 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 | ACPI/APM Power Management; |
| CPU | 8 Phase-switching voltage regulator; 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
Storage-leaning cloud compute is the brief here: dual 4th or 5th Gen Xeon Scalable processors, a drive front for NVMe or SATA with RAID, AIOM networking and room for a couple of double-width or several slim GPUs. The SYS-621C-TN12R fits the tenant-facing tier of a private cloud — Ceph or vSAN rack nodes that also host an inference card — and its supported list runs from H100 NVL and L40S down to L4, with Intel Flex 140 and 170 for media work. Procurement for this new system runs through our China partners, and our Shenzhen warehouse is the checkpoint: build verified against your order, serials logged, then packed. Cover comes as 1-yr hardwaresys RTB + vendor’s own warranty. Give us the drive mix — NVMe, SATA or both — and whether the NVMe set runs in RAID, because that decides whether a VROC hardware key goes in; then 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-621C-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).