# Enterprise storage systems: 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 a mid-market 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/

**Standing:** Dell PowerStore leads with 16% of first choices; verdict contested. 56 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | Dell PowerStore | 16% | 8% | 24 |
| 2 | Pure Storage FlashArray | 12% | 3% | 38 |
| 3 | NetApp AFF | 9% | 6% | 36 |
| 4 | Dell Technologies | 5% | 9% | 23 |
| 5 | HPE | 0% | 8% | 25 |
| 6 | Infinidat InfiniBox | 0% | 0% | 11 |
| 7 | Hitachi Vantara | 0% | 15% | 13 |
| 8 | IBM | 0% | 24% | 17 |

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

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: Dell PowerStore, HPE Alletra Storage MP B10000
- Gemini 3.5 Flash: Dell Technologies, Pure Storage FlashArray; alternatives HPE, NetApp AFF
- Perplexity Sonar: Dell PowerStore; alternatives Dell Unity XT, HPE Alletra Storage MP B10000, NetApp AFF
- Grok 4.1 Fast: Dell PowerStore; alternatives HPE Alletra Storage MP, Pure Storage FlashArray
- Mistral Small: Infinidat InfiniBox SSA G4 F4416T, Weka WEKApod; alternatives Dell EMC PowerStore, Pure Storage FlashArray
- DeepSeek V4 Flash: Dell PowerStore; alternatives NetApp AFF / FAS Series, Pure Storage FlashArray
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Dell PowerStore; alternatives HPE Alletra 9000, Hitachi Vantara VSP One, Pure Storage FlashArray
- Kimi K2: Dell PowerStore; alternatives HPE Alletra Storage MP B10000, NetApp AFF, Pure Storage FlashArray
- GLM 4.7 FlashX: Dell EMC PowerStore; alternatives Infinidat InfiniBox, NetApp AFF C-Series, Pure Storage FlashArray
- MiniMax M2.5: no first choice
- GPT-6 Luna: Dell PowerStore; alternatives FlashArray//X, HPE Alletra Storage MP B10000, IBM FlashSystem, NetApp AFF
- Muse Glimmer 30B: Dell Technologies; alternatives HPE, NetApp AFF, Pure Storage FlashArray

## Sources the answers cite

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

- dell.com: 45 answers, 75 citations
- techtarget.com: 38 answers, 100 citations
- storagenewsletter.com: 38 answers, 57 citations
- hpe.com: 24 answers, 37 citations
- enterprisestorageforum.com: 20 answers, 34 citations
- storagereview.com: 19 answers, 28 citations
- g2.com: 18 answers, 26 citations
- netapp.com: 15 answers, 19 citations

Pages named in the most answers:

- https://techtarget.com/it-infrastructure/feature/The-best-enterprise-data-storage-products-of-2024 (25 answers)
- https://dell.com/en-us/shop/scc/sc/storage-products (24 answers)
- https://techtarget.com/searchstorage/feature/The-best-enterprise-data-storage-products-of-2024 (22 answers)
- https://storagenewsletter.com/2024/02/12/gigaom-radar-for-primary-storage-for-midsize-businesses (20 answers)
- https://storagenewsletter.com/2024/02/05/gigaom-radar-for-primary-storage-for-large-enterprises-2 (19 answers)
- https://storagereview.com/best/storage-arrays (14 answers)
- https://hitachivantara.com/en-us/pdf/analyst-content/dcig-top-5-midrange-hybrid-cloud-storage-solutions.pdf (13 answers)
- http://galaxy.agh.edu.pl/~kito/ABD/top-8-storage-array-vendors.pdf (11 answers)
- https://get-frankly.com/enterprise-storage-comparison (11 answers)
- https://g2.com/categories/storage-systems/f/all-flash-arrays-afa (10 answers)

## Warned against

- IBM: 4 of 17 labels negative. "fell from leader status due to gaps in features like ransomware protection or multicloud integration" (Grok 4.1 Fast, negative prompt)
- HPE 3PAR: 2 of 3 labels negative. "Being phased out | Replaced by HPE Alletra; limited future development" (Kimi K2, negative prompt)
- Ceph: 2 of 4 labels negative. "Solutions like Ceph, Gluster, or open-source options on generic hardware can be unreliable without deep expertise" (Grok 4.1 Fast, negative prompt)
- Dell PowerStore: 2 of 24 labels negative. "However, GigaOm has recently demoted Dell to the "Challenger" ring in the midsize market." (DeepSeek V4 Flash, paraphrase 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.