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Apple · M2 Ultra · 192 GB · Qwen3.8 27B · Q4_K_M at 8K context: ~28 tok/s

Apple Mac Studio M2 Ultra, 192 GB

The most memory Apple sold before the M3 Ultra: 192 GB at 800 GB/s. A 120B model at Q8 or a 235B mixture-of-experts model at Q4 fits. Discontinued, so every listing is used or old stock; the M3 Ultra 256 GB is the current machine a step up.

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

Lowest price right now

$6,699.99

eBay · free shipping · $34 per GB · observed 2026-11-14 18:37 UTC

Buy the cheapest on eBay, $6,699.99

free shipping · Excellent - Refurbished · itsworthmore 192,084 · 99.6%

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Price history

Daily low across every tracked vendor, last 4 days.

$6,393$6,503$6,613$6,723Nov 11Nov 14lowest $6,416.07

Where to buy

VendorPriceConditionObserved
eBay
cheapest active listing		 $6,699.99
free shipping		 new and used 2026-11-14 18:37 UTC Go to eBay

On eBay now

4 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.

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 2026IQ2_M189 GBfits128K+~67~67~170
DeepSeek V4 Flash 284B-A13B Jul 2026Q4_K_M175 GBfits128K+~48~43~210
DeepSeek V3.1 671B-A37B Aug 2025Q4_K_M411 GBdoes not fit
Gemma
Gemma 4 12B May 2026Q8_014 GBfits128K+~37~36~220
Gemma 4 31B Mar 2026Q8_035 GBfits128K+~14~14~88
Gemma 4 26B-A4B Mar 2026Q8_028 GBfits128K+~82~75~710
Gemma 3 27B Mar 2025Q8_031 GBfits128K+~16~15~98
GLM
GLM-5.3 753B-A40B Aug 2026Q4_K_M462 GBdoes not fit
GLM-5.3 Flash 320B-A18B Aug 2026Q3_K_M159 GBfits128K+~44~40~150
GLM-4.6 355B-A32B Sep 2025Q3_K_M179 GBfits42K~23~16~84
GLM-4.5 Air 106B-A12B Jul 2025Q8_0115 GBfits128K+~30~23~220
gpt-oss
gpt-oss-120b Aug 2025Q8_0126 GBfits128K+~62~51~530
gpt-oss-20b Aug 2025Q8_024 GBfits128K+~81~68~750
Llama
Llama 4 Scout 109B-A17B Apr 2025Q8_0119 GBfits128K+~23~18~160
Llama 3.3 70B Dec 2024Q8_079 GBfits128K+~6.2~5.6~38
Llama 3.1 8B Jul 2024Q8_011 GBfits128K+~50~38~340
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 GBfits70K~43~41~180
Mistral
Mistral Medium 3.5 128B Mar 2026Q8_0140 GBfits128K+~3.5~3.3~21
Mistral Small 4 119B-A6.5B Mar 2026Q8_0132 GBfits106K~36~17~410
Mistral Small 3.2 24B Jun 2025Q8_028 GBfits128K+~18~16~110
Nemotron
Nemotron 3.5 Lightning 30B-A3B Aug 2026Q8_035 GBfits128K+~88~86~770
Qwen
Qwen3.8 Flash-Next 125B-A6B Aug 2026Q8_0134 GBfits128K+~58~54~450
Qwen3.8 27B Aug 2026 (your pick)Q8_031 GBfits128K+~16~16~100
Qwen3.6 27B Apr 2026Q8_031 GBfits128K+~16~16~100
Qwen3.6 35B-A3B Apr 2026Q8_039 GBfits128K+~95~87~900
Qwen3.5 9B Feb 2026Q8_011 GBfits128K+~49~45~300
Qwen3 Coder 480B-A35B Jul 2025IQ2_M167 GBfits104K~31~22~77
Qwen3 235B-A22B Jul 2025Q5_K_M170 GBfits119K~25~20~120
Qwen3 32B Apr 2025Q8_038 GBfits128K+~13~11~82

Specifications

Memory
192 GB LPDDR5 unified
Memory bandwidth
800 GB/s
Bus width
1024-bit
FP32
21.5 TFLOPS
FP16 (dense)
22 TFLOPS
Form factor
Desktop box, 197 x 197 x 95 mm
CPU
24-core CPU, 60-core GPU (76-core optional), 32-core Neural Engine
Architecture
M2 Ultra
Launched
2023
MSRP
$5,599

Source: manufacturer specifications.

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