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Apple · M3 Ultra · 96 GB · Qwen3.8 27B · Q4_K_M at 8K context: ~29 tok/s

Apple Mac Studio M3 Ultra, 96 GB

The base M3 Ultra: 96 GB at 819 GB/s for the price of one big GPU. A 70B model at Q6 fits with room for context; the 256 GB machine costs $1,500 more and the 512 GB one much more.

Watch Qwen3.8 27B stream at this machine's speed

Lowest price right now

$4,299

eBay · free shipping · $44 per GB · observed 2026-11-14 18:37 UTC

Buy the cheapest on eBay, $4,299

free shipping · Used · dolphins5464 1,703 · 100.0%

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Price alert

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Price history

Daily low across every tracked vendor, last 6 days.

$3,635$3,873$4,111$4,349Nov 9Nov 14lowest $3,684.19

Where to buy

VendorPriceConditionObserved
eBay
cheapest active listing		 $4,299
free shipping		 new and used 2026-11-14 18:37 UTC Go to eBay

On eBay now

21 listings passed our filters at the last check, 7 min ago. We check every 28 minutes. Cheapest delivered first. Seller reputation is feedback count and positive rate.

All 21 listings · Open the search on eBay

What it runs

For each model, grouped by vendor with the newest first: the largest quant that fits with 8K of context and the estimated speed for one user, at 8K and at 32K of context. On a card, a model too big for its memory can still run with part of the weights in system RAM; we assume 64 GB, and the speed shown accounts for it. The model you picked on the ladder is highlighted. Estimates from the spec sheet, not measurements: see how we estimate.

ModelQuantNeeds at 8KFitMax contextDecode at 8KAt 32KPrefill tok/s
DeepSeek
DeepSeek V4.1 Flash 552B-A16B Sep 2026Q4_K_M338 GBdoes not fit
DeepSeek V4 Flash 284B-A13B Jul 2026Q4_K_M175 GBdoes not fit
DeepSeek V3.1 671B-A37B Aug 2025Q4_K_M411 GBdoes not fit
Gemma
Gemma 4 12B May 2026Q8_014 GBfits128K+~38~37~220
Gemma 4 31B Mar 2026Q8_035 GBfits128K+~15~14~87
Gemma 4 26B-A4B Mar 2026Q8_028 GBfits128K+~83~77~700
Gemma 3 27B Mar 2025Q8_031 GBfits128K+~17~15~97
GLM
GLM-5.3 753B-A40B Aug 2026Q4_K_M462 GBdoes not fit
GLM-5.3 Flash 320B-A18B Aug 2026Q4_K_M197 GBdoes not fit
GLM-4.6 355B-A32B Sep 2025Q4_K_M221 GBdoes not fit
GLM-4.5 Air 106B-A12B Jul 2025Q6_K90 GBfits39K~38~28~220
gpt-oss
gpt-oss-120b Aug 2025Q5_K_M85 GBfits128K+~83~63~520
gpt-oss-20b Aug 2025Q8_024 GBfits128K+~83~69~740
Llama
Llama 4 Scout 109B-A17B Apr 2025Q6_K92 GBfits25K~28~160
Llama 3.3 70B Dec 2024Q8_079 GBfits58K~6.3~5.7~38
Llama 3.1 8B Jul 2024Q8_011 GBfits128K+~51~38~330
MiMo
MiMo V2.6 Pro 1.02T-A42B Sep 2026Q4_K_M624 GBdoes not fit
MiMo V2.6 Flash 309B-A15B Sep 2026Q4_K_M190 GBdoes not fit
Mistral
Mistral Medium 3.5 128B Mar 2026Q5_K_M95 GBfits9K~5.2~21
Mistral Small 4 119B-A6.5B Mar 2026Q5_K_M91 GBfits16K~44~410
Mistral Small 3.2 24B Jun 2025Q8_028 GBfits128K+~18~16~110
Nemotron
Nemotron 3.5 Lightning 30B-A3B Aug 2026Q8_035 GBfits128K+~90~87~760
Qwen
Qwen3.8 Flash-Next 125B-A6B Aug 2026Q5_K_M90 GBfits128K+~79~72~440
Qwen3.8 27B Aug 2026 (your pick)Q8_031 GBfits128K+~17~16~99
Qwen3.6 27B Apr 2026Q8_031 GBfits128K+~17~16~99
Qwen3.6 35B-A3B Apr 2026Q8_039 GBfits128K+~97~88~890
Qwen3.5 9B Feb 2026Q8_011 GBfits128K+~50~46~300
Qwen3 Coder 480B-A35B Jul 2025Q4_K_M296 GBdoes not fit
Qwen3 235B-A22B Jul 2025IQ2_M83 GBfits74K~46~32~120
Qwen3 32B Apr 2025Q8_038 GBfits128K+~13~11~81

Specifications

Memory
96 GB LPDDR5 unified
Memory bandwidth
819 GB/s
Bus width
1024-bit
FP32
21.3 TFLOPS
FP16 (dense)
21 TFLOPS
Form factor
Desktop box, 197 x 197 x 95 mm
CPU
28-core CPU, 60-core GPU, 32-core Neural Engine
Architecture
M3 Ultra
Launched
2025
MSRP
$3,999

Source: manufacturer specifications.

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