# Enterprise storage systems for enterprise buyers: what AI models recommend, October 2026

IT AI Recommendation Index, October 2026 Edition. Asked as "enterprise storage array" and as "primary storage for on-prem and hybrid cloud", six framings each, to fourteen models with search on, on behalf of an enterprise B2B company. Added to the October 2026 Edition on October 4, 2026; its answers are read by the distilled judge (ai-indexes-judge-qwen3-14b-run3), not the claude-opus-5 judge of the earlier categories. Page: https://it-ai-index.com/cloud/enterprise-storage-systems/enterprise/

**Standing:** Pure Storage FlashArray leads with 42% of first choices; verdict clear leader. 43 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Pure Storage FlashArray | 42% | 0% | 52 |
| 2 | NetApp AFF | 21% | 10% | 49 |
| 3 | Dell PowerStore | 7% | 6% | 18 |
| 4 | Infinidat InfiniBox | 5% | 14% | 14 |
| 5 | HPE | 0% | 0% | 23 |
| 6 | Dell Technologies | 0% | 5% | 21 |
| 7 | IBM | 0% | 7% | 14 |
| 8 | HPE Alletra | 0% | 8% | 12 |
| 9 | IBM FlashSystem | 0% | 9% | 11 |

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: Dell PowerMax, Pure Storage FlashArray; alternatives HPE Alletra, NetApp AFF
- Gemini 3.5 Flash: Everpure; alternatives Dell Technologies — PowerStore & PowerMax, HPE (Hewlett Packard Enterprise) — Alletra Storage MP, IBM — FlashSystem & Storage Scale, NetApp — AFF (All-Flash FAS) & ASA
- Perplexity Sonar: NetApp AFF; alternatives Dell PowerMax, Dell PowerStore, IBM FlashSystem, Pure Storage FlashArray
- Grok 4.1 Fast: Pure Storage FlashArray; alternatives Dell Technologies, HPE, NetApp AFF
- Mistral Small: Infinidat InfiniBox, Weka WEKApod; alternatives Dell PowerStore
- DeepSeek V4 Flash: Dell PowerStore; alternatives HPE Alletra Storage MP, Infinidat InfiniBox, NetApp AFF, Pure Storage FlashArray
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Pure Storage FlashArray; alternatives Dell Technologies, HPE, NetApp AFF
- Kimi K2: Pure Storage FlashArray; alternatives Dell EMC, HPE, NetApp AFF
- GLM 4.7 FlashX: Pure Storage FlashArray; alternatives Dell PowerStore, HPE Alletra MP B10000, Infinidat InfiniBox, NetApp AFF
- MiniMax M2.5: Infinidat InfiniBox, Pure Storage FlashArray; alternatives Dell Technologies, HPE, NetApp AFF
- GPT-6 Luna: Dell PowerStore; alternatives Everpure FlashArray, NetApp AFF
- Muse Glimmer 30B: no first choice

## Sources the answers cite

76 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- dell.com: 37 answers, 56 citations
- techtarget.com: 35 answers, 93 citations
- netapp.com: 32 answers, 56 citations
- storagenewsletter.com: 30 answers, 46 citations
- enterprisestorageforum.com: 27 answers, 36 citations
- hpe.com: 24 answers, 41 citations
- purestorage.com: 22 answers, 30 citations
- infinidat.com: 19 answers, 24 citations

Pages named in the most answers:

- https://techtarget.com/searchstorage/feature/The-best-enterprise-data-storage-products-of-2024 (25 answers)
- https://techtarget.com/it-infrastructure/feature/The-best-enterprise-data-storage-products-of-2024 (24 answers)
- https://storagenewsletter.com/2024/02/05/gigaom-radar-for-primary-storage-for-large-enterprises-2 (23 answers)
- https://dell.com/en-us/shop/scc/sc/storage-products (19 answers)
- https://storagereview.com/best/storage-arrays (16 answers)
- https://c4cgroup.co.uk/guides/choosing-enterprise-storage (10 answers)
- https://enterprisestorageforum.com/software/san-storage-arrays (10 answers)
- https://scribd.com/presentation/894423945/CL-Block-Storage-20240530-1 (10 answers)
- https://enterprisestorageforum.com/products/all-flash-storage-array-vendors (9 answers)
- https://i.dell.com/sites/csdocuments/Shared-Content_data-Sheets_Documents/en/dell-enterprise-storage-6-requirements.pdf (9 answers)

## Warned against

- NetApp AFF: 5 of 49 labels negative. "its pricing model historically has more variable costs (licensing tiers, capacity licensing) and higher support percentages, making TCO forecasting slightly less predictable" (DeepSeek V4 Flash, budget prompt)
- Dell EqualLogic PS Series: 2 of 2 labels negative. "EOL February 2019; End of Security Support February 2024 - No more security updates available" (Kimi K2, negative prompt)
- EMC VMAX: 2 of 2 labels negative. "EMC VMAX and VPLEX: Hit EOL 2026-2027 with spares availability slashed by 60%" (Kimi K2, negative prompt)
- DDN: 2 of 3 labels negative. "Niche players like DDN for workloads outside HPC/AI where broader enterprise data services, support footprint and ecosystem integration are required" (Muse Glimmer 30B, negative prompt)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, October 2026 Edition, it-ai-index.com.