SuperServer SYS-621BT-HNC8R (Complete System Only)

2U 4-Node BigTwin with 3 hot-swap 3.5" NVMe/SAS/SATA drives per node

Key Applications

  • Hyperconverged Infrastructure
  • Scale-Out File Storage
  • Container Storage

Key Features

Four hot-pluggable systems (nodes) in a 2U form factor. Each node supports the following:
  1. Socket E (LGA 4677) support 5th/4th Gen Intel® Xeon® Scalable processors
  2. Intel® C741
  3. 16 DIMM Slots supporting up to 4TB of memory; ECC RDIMMs up to DDR5-5600
  4. Internal PCIe 4.0 x8 for 2 M.2 NVMe support onboard
    2 PCIe 5.0 x16 (LP) slot;
    Tool-less support
    Optional M.2 (22x80) HW RAID1 NVMe Boot Controller via SCC-A2NM2241G3-B1
  5. Network connectivity via AIOM (OCP 3.0 compliant)
  6. Built-in SAS3 Support via Broadcom 3808; IT Mode
    3 hot-swap 3.5" drive bays (2x PCIe 5.0 NVMe/SAS and 1x PCIe 4.0 NVMe/SAS)
  7. Liquid Cooling Support
    4 cooling fans per 2U enclosure, 14.9K RPM; Shared Cooling Design
  8. 3000W Redundant Power Supplies Titanium Level (96%+); Shared Power Design
Specifications Resources & Downloads Parts List
Product SKUs
SuperServer SYS-621BT-HNC8R
Super X13DET-B
Processor (per Node)
Core Count
  • Up to 64C/128T; Up to 320MB Cache per CPU
  • Supports up to 185W TDP CPUs (Air Cooled)*
  • Supports up to 350W TDP CPUs (Liquid Cooled)​
  • *Air Cooled CPUs with TDP over 185W only supported under specific conditions. Contact a Supermicro representative for details.
System Memory (per Node)
  • Slot Count: 16 DIMM slots
  • Max Memory (1DPC): Up to 4TB 5600MT/s ECC DDR5 RDIMM
  • View Memory Options
On-Board Devices (per Node)
  • SAS (12Gbps) via Broadcom® 3808; (IT mode)
  • Intel® C741
Network Connectivity
  • Support for Intelligent Platform Management Interface v.2.0
  • IPMI 2.0 with virtual media over LAN and KVM-over-LAN support
Input / Output (per Node)
  • 1 RJ45 1 GbE Dedicated BMC LAN port(s)
  • 2 USB 3.0 Gen2 Type-A port(s) (Rear)
  • 1 VGA port(s)
System BIOS
  • AMI 32MB Flash ROM
Power configurations
  • ACPI / APM Power Management
  • Trusted Platform Module (TPM) 2.0
  • Silicon Root of Trust (RoT) – NIST 800-193 Compliant
  • Cryptographically Signed Firmware
  • Secure Boot
  • Secure Firmware Updates
  • Automatic Firmware Recovery
  • Supply Chain Security: Remote Attestation
  • Runtime BMC Protections
  • System Lockdown
PC Health Monitoring
  • Fans with tachometer monitoring
  • Status monitor for speed control
  • Pulse Width Modulated (PWM) fan connectors
  • Monitoring for CPU and chassis environment
  • Monitors for CPU Cores, Chipset Voltages, Memory.
  • 8+4 Phase-switching voltage regulator
Form Factor
  • 2U Rackmount
  • CSE-827BQ2-R3K04P
Dimensions and Weight
  • 3.47" (88 mm)
  • 17.68" (449 mm)
  • 30.5" (774 mm)
  • 9.76" (H) x 24.65" (W) x 45.28" (D)
  • Gross Weight: 96.6 lbs (43.8 kg)
  • Net Weight: 66.1 lbs (30 kg)
Available Color
  • Black front & silver body
Front Panel
  • HDD activity LED
  • Network activity LEDs
  • Power status LED
  • Universal Information (UID) LED
  • Power On/Off button
  • UID button
Expansion Slots (per Node)
PCI-Express (PCIe) Configuration
Drive Bays / Storage (per Node)
Drive Bays Configuration
  • Default: Total 3 bay(s)
    • 2 front hot-swap 3.5" PCIe 5.0 NVMe/SAS drive bay(s)
    • 1 front hot-swap 3.5" PCIe 4.0 NVMe/SAS drive bay(s)
  • View Drive Options
  • 2 M.2 PCIe 4.0 x4 NVMe slot(s) (M-key 22110; VROC required for RAID)
  • View M.2 Options
System Cooling
  • 4x 14.9K RPM Heavy Duty 8cm Fan(s)
Liquid Cooling
  • Direct to Chip (D2C) Cold Plate (optional)
Power Supply
3000W Redundant Titanium Level power supplies
Dimension (WxHxL)
  • 45 x 40 x 480 mm
  • Max: 116A / Min: 0A (100Vac-127Vac)
  • Max: 240A / Min: 0A (200Vac-207Vac)
  • Max: 250A / Min: 0A (208Vac-240Vac)
  • Max: 250A / Min: 0A (240Vdc-240Vdc) (for CQC safety rating only)
12V SB
  • Max: 4.5A / Min: 0A
AC Input
  • 1400W: 100-127Vac / 50-60Hz
  • 2880W: 200-207Vac / 50-60Hz
  • 3000W: 208-240Vac / 50-60Hz
  • 3000W: 240-240Vdc / 50-60Hz (for CQC only)
Output Type
  • Backplanes (connector)
Operating Environment
  • RoHS Compliant
Environmental Spec.
  • Operating Temperature: 10°C ~ 35°C (50°F ~ 95°F)
  • Non-operating Temperature: -30°C to 60°C (-22°F to 140°F)
  • Operating Relative Humidity: 8% to 80% (non-condensing)
  • Non-operating Relative Humidity: 8% to 90% (non-condensing)
Environmental / Recycling
Resources & Downloads
Parts List
Standard Parts (Parts Included)
Part Number Qty Description
Motherboard / Chassis MBD-X13DET-B


Super X13DET-B Motherboard

2U Chassis
Backplane BPN-NVME5-827BHQ-S3 1 X13 BigTwin 3.5" 2U4N Hybrid Backplane
Cable CBL-NSH5-1326 4 NearStack HD (x8 to x8), 26cm,85Ohm,G5,34AWG,RoHS
CBL-PWCD-0200 2 PWCD, Japan, IEC60320, C20 to C21,12AWG,1.8M,RoHS
CBL-SAST-1221-100 4 Slimline x8 (STR) to 2x Slimline x4 (STR),INT,21/16CM,1
Drive Tray(s) MCP-220-00133-0B-BULK 12 Black gen 8 hot-swap 3.5
Air Shroud MCP-310-21734-0B 4 SC217BQ2/827BQ2 BigTwin plastic+mylar air shroud for X13DET-B
Riser Card RSC-PR-6G5 4 1U RHS TwinPro Riser card with one PCIe 5.0 X16 slot,HF
Storage Controller Card SCC-B8SB80-B1 4 1U SCC w/ 8xSAS ports, SAS3808 FatTwin, BigTwin X12, HF,RoHS
SCC-P2HM2G4-B1 4 support 2x Gen4 Hybrid M.2 and 1x PCIEx16 Gen5 Slot
SCC-P6N6SGH-B1 4 1U Hybrid board supports 2x Gen5 NVMe, 4x Gen4 SAS for
Software SFT-OOB-LIC 4 License key for enabling OOB BIOS management
Heatsink / Retention SNK-P0087VM 4 1U Passive CPU VC HS w/ Mid Air CH for X13 EGS Platform
SNK-P0087VW 4 1U Passive Customized 100-mm Width CPU VC HS for X13 EGS
*Power Supply PWS-3K04A-1R 2 1U 1400W/3000W Redundant Titanium BigTwin w/PMBus power supply, W45xH40xL480 mm, C22 inlet
*Power Distributor PDB-PT217-BGTNH 1 2U Big Twin PDB input redundancy powers pass through 12V
*Fan FAN-0191L4 4 80x80x38 mm, 14.9K RPM Cooling Fan in 2U4N 2.5 inches HDD BigTwin Series Servers
*Rail Set MCP-290-00172-0N 1 2U non-tip rail set, quick release, default for 2,3U 17.6
*Fan Holder MCP-320-21702-0N 2 Bigtwin fan holder (with 4.1mm rubber feet)(hold 2 80x38 fans)
  1. Parts with * are inside the chassis
  2. Excessive parts might not be shipped, including but not limited to excessive drive trays, fans, riser brackets, air shrouds, IO shields, cables.....etc.
Optional Parts List
Part Number Qty Description
3.5-to-2.5" HDD Conversion Tray MCP-220-00140-0B - Black gen 8 hot-swap 3.5-to-2.5 Tool-less HDD tray, orange tab (Qty as Needed)
Cold Plate Module SNK-P3042 1 2x CoolIT Cold Plates for Attachment to CPUs (Qty per Node)
SNK-P3050-ABT 1 2x Supermicro Cold Plates for Attachment to CPUs (Qty per Node)
Coolant Distribution Manifolds SRK-00AS-CLIT-MF84SV-02 1 CoolIT 48U, 82S Dual Rack Coolant Manifolds (Qty per Rack)
SRK-00AS-CLIT-MF42SV-02 1 CoolIT 48U, 42S Single Rack Coolant Manifolds (Qty per Rack)
LCS-SCDM-076V42001-ABT 1 Supermicro Coolant Manifolds (Qty per Rack)
Coolant Distribution Unit SRK-00AS-CLIT-CH80V2-01 1 CoolIT 4U DLC CHx80V2 Coolant Distribution Unit (Qty per Rack)
LCS-SCDU-080L4001-ABT 1 Supermicro Rack Mounted Coolant Distribution Unit (Qty per Rack)
M.2 NVMe RAID Controller SCC-A2NM2241G3-B1 1 2x Gen3 Marvell2241 NVMe M.2 RAID with 1x PCIEx16 Gen5. Supports only 2x 22x80mm M.2 (Qty per Node)
SPI Capable TPM Options AOM-TPM-9670H-FIPS 1 SPI Capable TPM 2.0 Provisioned for Server, Horizontal Form Factor, Supporting FIPS 140-2 (Qty per Node)
AOM-TPM-9671H-S 1 SPI Capable TPM 1.2 Provisioned for Server, Horizontal Form Factor (Qty per Node)
AOM-TPM-9670H-S 1 SPI Capable TPM 2.0 Provisioned for Server, Horizontal Form Factor (Qty per Node)
SuperCloud Composer License SFT-SDDC-SINGLE - SDDC Monitor License - Single License per Monitored host
System Management Suite SFT-DCMS-Single - Supermicro System Management Software Suite node
VROC Options AOC-VROCSTNMOD 1 Intel VROC Standard, RAID 0, 1, 10 (Qty per Node)
P4X-ODL.VROCST-XMCC 1 Intel VROC Standard, On Demand Software License, RAID 0,1,10 (EMR Only) (Qty per Node)
P4X-ODL.VROCPR-XMCC 1 Intel VROC Premium, On Demand Software License, RAID 0,1,5,10 (EMR Only) (Qty per Node)
P4X-ODL.VROCBT-XMCC 1 Intel VROC Boot, On Demand Software License, RAID 1 (EMR Only) (Qty per Node)
AOC-VROCPREMOD 1 Intel VROC Premium, RAID 0, 1, 5, 10 (Qty per Node)
BigTwin SuperServer SYS-621BT-HNC8R (Complete System Only ) New