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MCS · Rigs · Compare

Side-by-side, with the numbers that matter.

Two rigs, one table. Higher numbers win in cobalt; TDP and price flip.

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SpecUnitree B2SambaNova SN40L Reconfigurable Dataflow Unit
Battery AH45—
Battery Voltage V58—
Battery WH2,250—
Bf16 Tflops PER Socket—638
Canonical NameUnitree B2—
Commercial Release Year2,024—
Compute Modules MAX3—
Compute Optional CPUIntel Core i7—
Compute Optional GPUNVIDIA Jetson Orin NX—
Compute StandardIntel Core i5—
Current Family Listed—SN50, SN40
DDR Bandwidth GB S—200
Ddr5 Capacity TB—1.5
Deployment Statuscommercial—
Depth Cameras2—
Form factorquadruped—
HBM Bandwidth TB S—1.8
Hbm3 Capacity GB—64
IP RatingIP67—
Lidars1—
Loaded Weight KG20—
MAX Slope Degrees45—
MAX Speed M S6—
MAX Stair Height CM40—
MSRP (USD)↓ better100,000—
ON Chip Sram MB—520
Operating Temp MAX C55—
Operating Temp MIN C-20—
Operating Temp MIN C ABS20—
Optical Cameras2—
Packaging—3x CoWoS-S, 2 accelerator dies
Pattern Compute Units—1,040
Payload Standing KG120—
Payload Walking KG40—
Process Node—TSMC 5nm
Prone Height MM330—
Prone Length MM880—
Prone Width MM460—
Range Loaded KM15—
Range Unloaded KM20—
Runtime Loaded Hours4—
Runtime Unloaded Hours5—
Standing Height MM645—
Standing Length MM1,098—
Standing Width MM450—
Status Checked2026-09-242026-09-24
Store Availablefalse—
Successor—SN50 (fifth-generation RDU)
Successor Introduced—2026-02-24
VendorUnitree Robotics—
Weight KG60—