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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

  • ProcessorIntel Xeon Gold
  • Installed RAM256 GB
  • Installed SSD3.84 TB
  • Processor core count24-Core Processor
  • Type of memoryDDR5
  • Rack height1U
  • 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.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $8,147.99
Pricier than about 85% of the 17,641 comparable items (median $1,910.99).
Installed RAM 256 GB
Higher than about 60% of the 15,103 comparable items (median 128 GB).
Processor core count 24-Core Processor
Higher than about 90% of the 7,955 comparable items (median 16).

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSUPERMICRO
Product lineSuperServer
Model nameSYS-121H-TNR-02-G1
Target workloadGeneral Purpose Server
Product typeRack
Processor
ProcessorIntel Xeon Gold
Processor core count24-Core Processor
Processor speed6542Y (2.9 GHz)
Processor cache60 MB L3 Cache
Installed CPUs1
Max supported CPUs1
Memory
Installed RAM256 GB
Type of memoryDDR5
Maximum RAM capacity8 TB
Memory slot count32
Storage
Installed SSD3.84 TB
Installed storageNone
Supported RAID levelsRAID 0/1/5/10
Drive bays8 front hot-swap 2.5 in NVMe*/SAS*/SATA* drive bays
2 M.2 NVMe/SATA slots (B+M-key 2280/22110)
Ports & slots
Expansion card slots1 PCIe 5.0 x16 FHHL slot
2 PCIe 5.0 x16 FH/10.5 inL slots
1 PCIe 5.0 x16 AIOM slot (OCP 3.0 compatible)
Power
Power supply2 × 1200 W Redundant Titanium Level (96%) Hot-plug power supplies
Size & build
Rack height1U
Hot-swappable fans8 counter-rotating 40 × 40 × 56 mm Fan(s)
Product dimensions1.7 in × 17.2 in × 29.4 in
Product weight34 lb (15.4 kg)
Shipping weight20.41 kg
Package size889 × 508 × 127 mm
Environment & compliance
Temperature rangeOperating Temperature: 10 °C to 35 °C (50 °F to 95 °F)
Non-operating Temperature: -30 °C to 60 °C (-40 °F to 140 °F)
Humidity rangeOperating Relative Humidity: 8% to 80% (max 21° DP; non-condensing)
Non-operating Relative Humidity: 8% to 90% (max 38° DP; non-condensing)
More details
Indicator lightsHDD activity
LAN1 activity
Power
System information

Questions about this item

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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