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NVIDIA's DGX Spark 4TB Goes on Sale Near $4,800, Splitting Opinion on Value

June 28, 2026 at 13:45 EDT

Infra & Chips
Foundation Models

NVIDIA began shipping its desktop AI development machine, the DGX Spark, in mid-October 2025. Built around the GB10 Grace Blackwell Superchip with 128GB of unified memory, the Founders Edition with a 4TB SSD lists at $4,699 on the NVIDIA Marketplace, and appears around $4,800 depending on region and promotions.

October 2025 · NVIDIA

DGX Spark Gets a $700 Price Hike — Now $4,699

NVIDIA's palm-sized desktop AI supercomputer climbs to $4,699 for its 4TB model amid memory supply constraints — and developers are split on whether the Grace Blackwell machine justifies the price.

The 4TB Model Price, Before & After

Memory shortages pushed the price up roughly +$700.

~$3,999

Initial price

$4,699

New price (+$700)

Retail availability ranges from about $4,499 to $4,699.

128GB

Unified LPDDR5x memory (up to 273 GB/s)

1 PFLOPS

FP4 AI performance (1,000 TOPS)

~200B

Max params (405B with two units)

1.2kg

150×150×50.5mm · 140W TDP

Under the hood

GB10 Grace Blackwell Superchip

CPU

20-core Arm (10× X925 + 10× A725)

GPU

Blackwell, NVLink-C2C shared memory

Storage

4TB NVMe (1TB version available)

▲ Supporters say

128GB unified memory makes local long-context inference of 70B–120B-class models practical
Strong fit for prototyping and agent development
Excellent industrial design and easy setup

▼ Critics say

Inference can drop to only a few tokens/sec in some setups
Immature CUDA / ARM software: long load times, weak optimization
Apple M-series or a self-built GPU rig may be cheaper and faster

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