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TN85B8261-2T-N

TN85B8261-2T-N

Mitac/Tyan​ 2U 8Bays Dual Processor Rackmount Server
 
  • 2S AMD Turin / Genoa / Bergamo / Genoa X CPU
  • 24 DIMM slots with DDR5 6000 memory support
  • 4 FH/10.5"L double wide PCIe 5.0 x16 slots
  • 2 HH/HL PCIe 5.0 x16 slots
  • 8 2.5" NVMe U.2 hot-swap, tool-less drive bays
  • (1+1) CRPS
 
Storage configuration notice:
8x 2.5" NVMe U.2 drive
2x M.2

Note: Image above may show a varied configuration or optional part. Please refer to parts list for standard parts included.

Configure Options

CPU ▼
Qty / Pick Option Price
AMD EPYC 5th Gen Processor 9015 (3.6GHz,125W)
AMD EPYC 4th Gen Processor 9124 (3.00GHz,200W)
AMD EPYC 4th Gen Processor 9224 (2.50GHz,200W)
AMD EPYC 4th Gen Processor 9254 (2.50GHz,200W)
AMD EPYC 4th Gen Processor 9334 (2.70GHz,210W)
AMD EPYC 4th Gen Processor 9354 (3.25GHz,280W)
AMD EPYC 4th Gen Processor 9454 (3.75GHz,290W)
AMD EPYC 4th Gen Processor 9534 (2.45GHz,280W)
AMD EPYC 4th Gen Processor 9554 (3.10GHz,360W)
AMD EPYC 4th Gen Processor 9634 (2.25GHz,290W)
AMD EPYC 4th Gen Processor 9654 (2.40GHz,360W)
AMD EPYC 4th Gen Processor 9174F (4.10GHz,320W)
AMD EPYC 4th Gen Processor 9274F (3.40GHz,320W)
AMD EPYC 4th Gen Processor 9374F (3.85GHz,320W)
AMD EPYC 4th Gen Processor 9474F (3.60GHz,360W)
AMD EPYC 4th Gen Processor 9354P (3.25GHz,280W)
AMD EPYC 4th Gen Processor 9454P (2.75GHz,290W)
AMD EPYC 4th Gen Processor 9554P (3.10GHz,360W)
AMD EPYC 4th Gen Processor 9654P (2.40GHz,360W)
AMD EPYC 4th Gen Processor 9684X (3.42GHz,400W)
AMD EPYC 5th Gen Processor 9115 (2.6GHz,125W)
AMD EPYC 5th Gen Processor 9135 (3.65GHz,200W)
AMD EPYC 5th Gen Processor 9175F (4.2GHz,320W)
AMD EPYC 5th Gen Processor 9255 (3.2GHz,200W)
AMD EPYC 5th Gen Processor 9275F (4.1GHz,320W)
AMD EPYC 5th Gen Processor 9335 (3.00GHz,210W)
AMD EPYC 5th Gen Processor 9355 (3.55GHz,280W)
AMD EPYC 5th Gen Processor 9355P (3.55GHz,280W)
AMD EPYC 5th Gen Processor 9365 (3.4GHz,300W)
AMD EPYC 5th Gen Processor 9375F (3.8GHz,320W)
AMD EPYC 5th Gen Processor 9455 (3.15GHz,300W)
AMD EPYC 5th Gen Processor 9455P (3.15GHz,300W)
AMD EPYC 5th Gen Processor 9475F (3.65GHz,400W)
AMD EPYC 5th Gen Processor 9535 (2.4GHz,300W)
AMD EPYC 5th Gen Processor 9555 (3.2GHz,360W)
AMD EPYC 5th Gen Processor 9555P (3.2GHz,360W)
AMD EPYC 5th Gen Processor 9565 (3.15GHz,384W)
AMD EPYC 5th Gen Processor 9575F (3.3GHz,400W)
AMD EPYC 5th Gen Processor 9645 (2.3GHz,320W)
AMD EPYC 5th Gen Processor 9655 (2.6GHz,400W)
AMD EPYC 5th Gen Processor 9655P (2.6GHz,400W)
AMD EPYC 5th Gen Processor 9745 (2.4GHz,400W)
AMD EPYC 5th Gen Processor 9755 (2.7GHz,500W)
AMD EPYC 5th Gen Processor 9825 (2.2GHz,390W)
AMD EPYC 5th Gen Processor 9845 (2.1GHz,390W)
AMD EPYC 5th Gen Processor 9965 (2.25GHz,500W)
MEMORY ▼
Qty / Pick Option Price
Samsung 16GB DDR5 5600MHz ECC RDIMM Memory (Recommend for Xeon 5th Gen CPU)
Samsung 32GB DDR5 5600MHz ECC RDIMM Memory (Recommend for Xeon 5th Gen CPU)
Samsung 64GB DDR5 5600MHz ECC RDIMM Memory (Recommend for Xeon 5th Gen CPU)
Samsung 96GB DDR5 5600MHz ECC RDIMM Memory (Recommend for Xeon 5th Gen CPU)
Samsung 128GB DDR5 5600MHz ECC RDIMM Memory (Recommend for Xeon 5th Gen CPU)
Samsung 32GB DDR5 6400MHz ECC RDIMM Memory
Samsung 64GB DDR5 6400MHz ECC RDIMM Memory
Samsung 96GB DDR5 6400MHz ECC RDIMM Memory
NETWORK CARD ▼
Qty / Pick Option Price
*No Network Card
Intel® 1G Ethernet Adapter I350-T2V2 (2x RJ-45)
Intel® 1G Ethernet Adapter I350-T4V2 (4x RJ-45)
Intel® 10G Ethernet Adapter X710-DA2 (2x QSFP+)
Intel® 40G Ethernet Adapter XL710-QDA1 (1x QSFP+)
Intel® 40G Ethernet Adapter XL710-QDA2 (2x QSFP+)
Intel® 10G Ethernet Adapter X550-T1 (1x RJ45)
Intel® 10G Ethernet Adapter X550-T2 (2x RJ45)
Intel® 25G Ethernet Adapter XXV710-DA1 (1x SFP28)
Intel® 25G Ethernet Adapter XXV710-DA2 (2x SFP28)
Intel® 10G Ethernet Adapter X520-DA2 (2x SFP+)
Mellanox NVIDIA 10/25GbE MCX512A-ACAT ConnectX-5 Ethernet Adapter (2x QSFP28)
Mellanox NVIDIA 100GbE MCX516A-CCAT ConnectX-5 Ethernet Adapter (2x QSFP28)
Mellanox NVIDIA 200GbE MCX653105A-HDAT-SP ConnectX-6 VPI Ethernet Adapter (1x QSFP56)
Mellanox NVIDIA 200GbE MCX653106A-HDAT-SP ConnectX-6 VPI Ethernet Adapter (2x QSFP56)
Broadcom NetXtreme 1G PCIe 2.0 x1 Ethernet Card (2x RJ45)
Broadcom NetXtreme 1G PCIe 2.0 x4 Ethernet Card (4x RJ45)
Broadcom NetXtreme 10G PCIe 3.0 x8 Ethernet Card (2x RJ45)
Broadcom NetXtreme 10G PCIe 3.0 x8 Ethernet Card (2x SFP+)
Broadcom NetXtreme 25G PCIe 3.0 x8 Ethernet Card (2x SFP28)
Broadcom NetXtreme 25G PCIe 4.0 x16 Ethernet Card (4x SFP28)
Broadcom NetXtreme 100G PCIe 4.0 x16 EthernetCard (2x QSFP56)
NVIDIA 900-9X766-003N-SQ0 1-Port ConnectX-7 400G Network Adapter
Supermicro AOC-STGS-I2T-O x550-AT2 2-Port 10GbE PCI-E 3.0 Ethernet Card
Supermicro AOC-A100G-M2CM ConnectX-6 Dx 100GbE Network Card
Broadcom BCM957508-N2100G Dual-Port 100 Gb/S (QSFP56/28) Network Adapter
OPERATING SYSTEM ▼
Qty / Pick Option Price
*Please contact our sales for more operating system options
Debian Linux (No Media) (32-Bit/64-Bit)
Fedora Linux Desktop Edition (No Media) (32-Bit/64-Bit)
Ubuntu Linux LTS Server Edition (No Media) (32-Bit/64-Bit)
CentOS Enterprise Linux (No Media) (32-Bit/64-bit)
Fedora Linux Workstation Edition 64-bit (No Media)
Microsoft Windows Server 2025 Standard 64-bit-1User
WARRANTY ▼
Qty / Pick Option Price
*1 Year Parts Replacement Warranty
3 Year Parts Replacement Warranty - Server Value $500 to $2000
3 Year Parts Replacement Warranty - Server Value $2001 to $4000
3 Year Parts Replacement Warranty - Server Value $4001 to $7000
3 Year Parts Replacement Warranty - Server Value $7001 to $10000
3 Year Parts Replacement Warranty - Server Value Over $10000
NVMe M.2 ▼
Qty / Pick Option Price
*No NVMe M.2 Drives
Samsung 980 PRO MZ-V8P500B/AM M.2 NVMe SSD 500GB
Samsung 980 PRO MZ-V8P1T0B/AM M.2 NVMe SSD 1TB
Samsung 970 EVO Plus MZ-V7S1T0B/AM M.2 NVMe SSD 1TB
Samsung 970 EVO Plus MZ-V7S2T0B/AM M.2 NVMe SSD 2TB
Samsung 980 PRO MZ-V8P2T0B/AM M.2 NVMe SSD 2TB
Samsung 970 EVO Plus MZ-V7S500B/AM M.2 NVMe SSD 500GB
WD Black SN850 M.2 G4 NVMe SSD 500GB
WD Black SN850 M.2 G4 NVMe SSD 1TB
WD Black SN850 M.2 G4 NVMe SSD 2TB
SAMSUNG PM9A3 M.2 Nvme SSD 960GB
SAMSUNG PM9A3 M.2 Nvme SSD 1.92TB
SAMSUNG PM9A3 M.2 Nvme SSD 3.84TB
Samsung 990 PRO MZ-V9P1T0B/AM M.2 NVMe SSD 1TB
Samsung 990 PRO MZ-V9P2T0B/AM M.2 NVMe SSD 2TB
Samsung 970 EVO Plus MZ-V7S500B/AM M.2 NVMe SSD 250GB
Samsung 990 PRO MZ-V9P4T0B/AM M.2 NVMe SSD 4TB
Samsung 980 EVO MZ-V8V250B/AM M.2 NVMe SSD 250GB
Samsung 980 EVO MZ-V8V500B/AM M.2 NVMe SSD 500GB
Samsung 980 EVO MZ-V8V1T0B/AM M.2 NVMe SSD 1TB
Samsung 990 EVO MZ-V9E1T0B/AM M.2 NVMe SSD 1TB
Samsung 990 EVO MZ-V9E2T0B/AM M.2 NVMe SSD 2TB
NVMe U.2/U.3 ▼
Qty / Pick Option Price
*No NVMe U.2/U.3 Drives
Samsung PM9A3 2.5" U.2 NVMe SSD 960GB
Samsung PM9A3 2.5" U.2 NVMe SSD 1.92TB
Samsung PM9A3 2.5" U.2 NVMe SSD 3.84TB
Samsung PM9A3 2.5" U.2 NVMe SSD 7.68TB
Samsung PM9A3 2.5" U.2 NVMe SSD 15TB

Technical Specifications

Processor
Q'ty / Socket Type:
(2) AMD Socket SP5

Supported CPU Series:
(2) AMD EPYC™ 9004/9005 Series Processors

Thermal Design Power Wattage:
Max up to 500W (TDP)
Memory
Supported DIMM Qty:
(12)+(12) DIMM slots

DIMM Type / Speed:
3DS RDIMM DDR5 6000MHz / RDIMM DDR5 6000MHz

Capacity:
Up to 6,144GB RDIMM DDR5 6000 memory

Memory channel:
12 Channels per CPU

Memory voltage:
1.1V
Chassis
2U Rackmount Chassis
Dimensions
Dimension (D x W x H)
33.46" x 17.63" x 3.43" 
850mm x 448mm x 87mm
Drive Bays
Q'ty / Type:
(8) 2.5" Hot-Swap NVMe

Front Drive Bay Interface:
(8) NVMe U.2

Front Drive Backplane Support:
NVMe
Expansion Slots
PCIe:
(6) PCIe Gen 5 x16 slots

Pre-installed TYAN Riser Card (PCIe Gen.5):
(1) M8261T85-LR32-2L riser card for (2) HH/HL PCIe 5.0 x16 slots / (1) M8261T85-L32T-2F riser card for (2) FH/FL PCIe 5.0 x16 slots / (1) M8261T85-R32T-2F riser card for (2) FH/FL PCIe 5.0 x16 slots
Power Supply
Type:
CRPS

Input Range:
AC 100-127V/14A / AC 200-240V/15.5A

Frequency:
50/60 Hz

Output Watts:
2,700 Watts

Efficiency:
80 plus Titanium

Redundancy:
1+1

Serviceability:
Hot-swap
Onboard Devices
LAN
Q'ty / Port:
(2) 10GbE ports + (1) GbE dedicated for IPMI
Controller:
Intel X550-AT2
PHY:
Realtek RTL8211F

Storage NVMe
Connector (U.2):
(4) SFF-TA-1016 (MCIO 8x) for (8) front NVMe

Graphic
Connector type:
D-Sub 15-pin
Resolution:
Up to 1920x1200
Chipset:
Aspeed AST2600
Front Panel
Buttons:
(1) PWR w/ LED / (1) UID / (1) RST

LEDs:
(1) ID / (2) LAN / (1) Warning

I/O Ports:
(2) USB 3.2 Gen.1 ports
Input / Output
USB:
(2) USB3.2 Gen.1 ports (@ front) / (2) USB3.2 Gen.1 ports (@ rear)

VGA:
(1) D-Sub 15-pin port

RJ-45:
(2) 10 GbE ports + (1) dedicated GbE for IPMI

Button:
ID Button / Power Button / Reset Button
Cooling
(6) 6cm hot-swap middle fans + (2) 6cm easy-swap rear fans
BIOS
Brand / ROM size:
AMI / 32MB

Feature:
Hardware Monitor / FAN speed control automatic / Boot from USB device/PXE via LAN/Storage / Console Redirection / SMBIOS 3.5/PnP/Wake on LAN / ACPI 6.4 / ACPI sleeping states S0, S5
Operating Environment
Operating Temp.:
10° C ~ 35° C (50° F~ 95° F)
Non-operating Temp.:
- 40° C ~ 70° C (-40° F ~ 158° F)
In/Non-operating Humidity:
90%, non-condensing at 35° C
Detailed Specification
TPM (Optional)
TPM Support:
Please refer to our TPM supported list.
Interface:
SPI

System Monitoring
Chipset:
Aspeed AST2600
Temperature:
Monitors temperature for CPU & memory & system environment
Voltage:
Monitors voltage for CPU, memory, chipset & power supply
LED:
Over temperature warning indicator / Fan & PSU fail LED indicator / Over voltage warning indicator

Server Management
Onboard Chipset:
Onboard Aspeed AST2600
AST2600 iKVM Feature:
24-bit high quality video compression / Supports storage over IP and remote platform-flash / USB 2.0 virtual hub
AST2600 IPMI Feature:
IPMI 2.0 compliant baseboard management controller (BMC) / 10/100/1000 Mb/s MAC interface

Frequently Asked Questions

Yes. Spectrum Servers offers custom configurations for all server products. Use the Configure Options section above to select processors, memory, storage and other components, or request a custom quote.

All products sold by Spectrum Servers include the manufacturer's standard warranty. Extended warranty options are available. Contact our sales team at sales@spectrumservers.com or call +1 (626) 956-0100 for details.

Lead times vary by product and configuration. In-stock items typically ship within 1–3 business days. Custom configured systems may take 5–15 business days. Contact us for specific availability and lead time information.

Yes. Spectrum Servers provides technical support for all products sold. Our engineers are available Monday–Friday 8:30AM–5:30PM PST. Reach us at +1 (800) 526-8650 or email sales@spectrumservers.com.

Yes. Volume discounts are available for orders of 5 or more units. Please request a quote or contact our sales team directly for pricing on larger orders.
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