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Silver 1U rack server with front drive bays and status LEDs

Supermicro

Supermicro AS -121H-TNR-02-G1 1U rack server 24-core Xeon 256GB DDR5 3.84TB NVMe

SKU CH-2H22-ZFS4W MPN AS -121H-TNR-02-G1

A 1U rack server with a 24-core Xeon, 256GB DDR5 and a 3.84TB NVMe drive

  • WorkloadGeneral Purpose Server
  • TypeRack
  • Rack Height1U
  • LEDsHDD activity LAN1 activity Power System information
  • Hot-swap Fans8 counter-rotating 40x40x56mm Fan(s)
  • SecurityTrusted Platform Module (TPM) 2.0 Silicon Root of Trust (RoT
  • 24-core Xeon Gold 6542Y at 2.90 GHz handles heavy workloads
  • 256 GB DDR5-5600 ECC memory supports large datasets
  • 84 TB U.2 NVMe SSD delivers fast storage access
  • Dual 10 GbE RJ45 ports enable high-speed networking
  • TPM 2.0 and Silicon Root of Trust harden platform security

1U rack server with 24-core Xeon

The Supermicro AS -121H-TNR-02-G1 is a 1U rack server built for general-purpose workloads. It ships with a single Intel Xeon Gold 6542Y processor running at 2.90 GHz with 24 cores and 60 MB of L3 cache. Memory is populated with 256 GB of DDR5 ECC RDIMM across the 32 available slots. Storage includes one 3.84 TB U.2 NVMe SSD and the system supports RAID 0, 1, 5 and 10 configurations.

Check power, network and expansion space

Verify that your rack can supply two 1200 W Titanium-level power supplies and that you have cabling for the dual 10 GbE RJ45 ports. The chassis provides one PCIe 5.0 x16 full-height half-length slot for additional cards. Cooling is handled by eight hot-swap counter-rotating fans. Security features include TPM 2.0, Silicon Root of Trust compliant with NIST 800-193, signed firmware, secure boot and automatic firmware recovery.

Suits dense compute and virtualisation hosts

This server suits teams needing high core density and large memory capacity in a single rack unit for virtualisation, database or container workloads. Buyers who require dual-socket scaling should look elsewhere because the platform supports a maximum of one processor. Organisations needing more than one NVMe drive from the factory or additional PCIe slots beyond the single x16 will need a different chassis.

Points forts

  • 24-core Xeon Gold 6542Y at 2.90 GHz handles heavy workloads
  • 256 GB DDR5-5600 ECC memory supports large datasets
  • 84 TB U.2 NVMe SSD delivers fast storage access
  • Dual 10 GbE RJ45 ports enable high-speed networking
  • TPM 2.0 and Silicon Root of Trust harden platform security

Caractéristiques

BrandSUPERMICRO
SeriesSuperServer
ModelSYS-121H-TNR-02-G1
WorkloadGeneral Purpose Server
TypeRack
Rack Height1U
LEDsHDD activity
LAN1 activity
Power
System information
Hot-swap Fans8 counter-rotating 40x40x56mm Fan(s)
SecurityTrusted 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
CPU TypeIntel Xeon Gold
CPU Speed6542Y (2.90 GHz)
Number of CPU Cores24-Core Processor
Cache Memory60 MB L3 Cache
# of Processors Installed1
MAX Processors1
Installed Memory Size256GB
Memory TypeDDR5
Max Memory Capacity8TB
Memory FeaturesMax Memory (1DPC): Up to 4TB 5600MT/s ECC DDR5 RDIMM
Max Memory (2DPC): Up to 8TB 4400MT/s ECC DDR5 RDIMM
Number of Memory Slots32
Hard Drive (Installed)None
SSD (Installed)3.84TB
Raid LevelRAID 0/1/5/10
Expansion Slots1 PCIe 5.0 x16 FHHL slot
2 PCIe 5.0 x16 FH/10.5"L slots
1 PCIe 5.0 x16 AIOM slot (OCP 3.0 compatible)
Expansion Bays8 front hot-swap 2.5" NVMe*/SAS*/SATA* drive bays
2 M.2 NVMe/SATA slots (B+M-key 2280/22110)
Power Characteristics2 x 1200W Redundant Titanium Level (96%) Hot-plug power supplies
TemperatureOperating Temperature: 10°C to 35°C (50°F to 95°F)
Non-operating Temperature: -30°C to 60°C (-40°F to 140°F)
HumidityOperating Relative Humidity: 8% to 80% (max 21° DP; non-condensing)
Non-operating Relative Humidity: 8% to 90% (max 38° DP; non-condensing)
Dimensions1.7" x 17.2" x 29.4"
Weight34 lbs.
Poids d’expédition20.41 kg
Dimensions du colis889 × 508 × 127 mm

Questions sur cet article

Does the server ship with any drive trays or caddies, or must I supply my own for the 3.84TB NVMe SSD?

The 3.84TB NVMe SSD is factory-installed in a U.2 bay; the chassis includes the necessary trays for that drive, so no separate caddy is required.

The spec lists DDR5-5600 at 1 DPC and DDR5-4400 at 2 DPC — which configuration matches the installed 256GB?

The 256GB ships as a 1 DPC population running at 5600MT/s, leaving the second DIMM slot per channel free for later expansion at 4400MT/s.

How does the single 24-core Xeon Gold 6542Y at 2.90 GHz perform when the 3.84TB NVMe drive is under sustained write load?

The 24-core processor and dual 10GbE ports keep I/O flowing, while the 1200W titanium PSUs and eight counter-rotating fans maintain thermal headroom during heavy writes.

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