Server compare

Supermicro SYS-A21GE-NBRT vs NVIDIA DGX B300

B has 864 GB more GPU memory. A costs €40.00 an hour instead of €48.00.

ASupermicro · B200

Supermicro SYS-A21GE-NBRT

GPU memory

180 GB × 81,440 GB

System memory

8192GB (DDR5 ECC REG)

€40.00/server·hr

GPU as listed: 8 x NVIDIA B200 SXM

Specs Rent

Δ GPU memoryB+864 GBmore on this side

Δ RateA−€8.00less per server·hr

Δ System memoryA+6,192 GBmore on this side

BNVIDIA · B300

NVIDIA DGX B300

GPU memory

288 GB × 82,304 GB

System memory

2000GB (DDR5 ECC REG)

€48.00/server·hr

GPU as listed: 8 x NVIDIA B300 SXM

Specs Rent

Side by side

Every spec, line by line.

Values exactly as each builder lists them. Lines that differ are marked; identical lines are dimmed.

11 lines differ · model name and ID not counted

Specification

ASupermicro SYS-A21GE-NBRT

8× B200 · Supermicro

BNVIDIA DGX B300

8× B300 · NVIDIA

Server

Model

ASupermicro SYS-A21GE-NBRT

BNVIDIA DGX B300

Brand

ASupermicro

BNVIDIA

GPU

A8 x NVIDIA B200 SXM

B8 x NVIDIA B300 SXM

GPU family

AB200

BB300

CPU

AConfigurable on request

B2x Intel Xeon 6776P (64c/128t, 2.3GHz-3.9GHz, 350W)

System memory

A8192GB (DDR5 ECC REG)

B2000GB (DDR5 ECC REG)

Local storage

AConfigurable on request

BConfigurable on request

Form factor

AConfigurable on request

BConfigurable on request

Model ID

Asupermicro-sys-a21ge-nbrt

Bnvidia-dgx-b300

GPU

Architecture

ANVIDIA Blackwell

BNVIDIA Blackwell Ultra

Memory per GPU

A180 GB HBM3e

B288 GB HBM3e

GPU memory per server

A1,440 GB

B2,304 GB

GPU interconnect

ANVLink, all-to-all

BNVLink, all-to-all

Rental

On-demand, full server

A€40.00/hr

B€48.00/hr

On-demand, per GPU

A€5.00/hr

B€6.00/hr

Reserved, 12 months

A€32.00/hr

B€40.00/hr

Billing

APer second

BPer second

Rates in EUR excluding VAT. Fields a builder leaves open are configured to order.

Cost and memory

Price the run before you start.

Both panels read the live price list. A and B mark where your two servers sit.

What a run costs.

Pick a plan, how many GPUs and how long. Totals use the same hourly rates as the price list.

Plan

GPUs

Run length

ASupermicro SYS-A21GE-NBRT

€960

8× B200 · 24 hours

BNVIDIA DGX B300

€1,152

8× B300 · 24 hours

A costs €192 less for this run (17% lower).

Same run on every family

B300B€1,152
B200A€960
H200€768
H100€576

On-demand rates · EUR excl. VAT

GPU memory per server

B300B2,304 GB
B200A1,440 GB
H2001,128 GB
H100640 GB

HBM on the GPUs, not system RAM

How much fits.

GPU memory decides which models load without sharding. Compare it per card, per server, or against what you pay.

Metric

Model weights that fit, per server

ServerFP16FP8

A8× B200720B1,440B

B8× B3001,152B2,304B

Parameters, in billions, whose weights fit in GPU memory at 2 bytes (FP16) or 1 byte (FP8). KV cache and activations need room on top.

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Case studies

How teams chose their server.

Write-ups from teams who picked between servers like these. Shown as a sample until approved stories exist.

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Sample

Placeholder for a customer story about choosing between these two servers. Real quotes appear here once approved.

Customer nameRole, Company

Before and after · product facts

GPU memory per server

Bbefore2,304 GB

Aafter1,440 GB

24-hour run, on demand

Bbefore€1,152

Aafter€960

Sample layout: B is the server a team moved from, A the one it moved to.

Ready to pick

Rent the B200 or the B300. Switch any time.

Start on demand, keep the one that fits, and reserve it when the workload settles. Billing is per second, in euros.

Get started Talk to sales

On-demand ratesEUR · excl. VAT

B300· 288 GB HBM3e€6.00/GPU·hr
B200· 180 GB HBM3e€5.00/GPU·hr
H200· 141 GB HBM3e€4.00/GPU·hr
H100· 80 GB HBM3€3.00/GPU·hr