--- description: Western Digital has announced their second-generation WD S25 SAS drives and the latest WD RE SAS enterprise hard drives. The WD S25 is a 2.5" drive... title: Western Digital Expands Enterprise Hard Drive Line with S25 SAS and RE SAS image: https://www.storagereview.com/wp-content/uploads/2011/01/WD-S25-small.jpg --- [![Storage Review]()](https://storagereview.com/) --- [Facebook](https://www.facebook.com/@storagereview) [X (Twitter)](https://twitter.twitter.com/storagereview) [Instagram](https://www.instagram.com/storagereview/) [LinkedIn](https://www.linkedin.com/company/storagereview-com) [YouTube](https://www.youtube.com/user/storagereview?sub_confirmation=1) [Email](mailto:info@storagereview.com) [Spotify](https://open.spotify.com/show/1y6VnznABhHeOSMOmbDTz0) [Reddit](https://www.reddit.com/r/StorageReview/) [Discord](https://discord.gg/TwMHb4azdC) [RSS Feed](https://www.storagereview.com/rss.xml) [TikTok](https://www.tiktok.com/@storagereview) [Facebook](https://www.facebook.com/@storagereview) [X (Twitter)](https://twitter.com/storagereview) [Instagram](https://www.instagram.com/storagereview/) [LinkedIn](https://www.linkedin.com/company/storagereview-com) [YouTube](https://www.youtube.com/user/storagereview?sub_confirmation=1) [Email](mailto:info@storagereview.com) [Spotify](https://open.spotify.com/show/1y6VnznABhHeOSMOmbDTz0) [Reddit](https://www.reddit.com/r/StorageReview/) [Discord](https://discord.gg/TwMHb4azdC) [RSS Feed](https://www.storagereview.com/rss.xml) [TikTok](https://www.tiktok.com/@storagereview) [![StorageReview.com](https://www.storagereview.com/wp-content/uploads/2026/07/Storage-Review-2x.png)](https://www.storagereview.com) ≡ Menu - [Home](https://www.storagereview.com/) - [Storage Reviews](https://www.storagereview.com/review) - [End User Reviews](https://www.storagereview.com/consumer) - [Enterprise Reviews](https://www.storagereview.com/enterprise) - [Ubiquiti Reviews](https://www.storagereview.com/best/ubiquiti-reviews) - [SR Merch](https://store.storagereview.com) - [Leaderboards](https://www.storagereview.com/best) - [Best Storage Arrays](https://www.storagereview.com/best/storage-arrays) - [Best Enterprise SSDs](https://www.storagereview.com/best/enterprise-ssds) - [Best Servers](https://www.storagereview.com/best/servers) - [Best Enterprise GPUs](https://www.storagereview.com/best/enterprise-gpus) - [Best Desktops for Local AI](https://www.storagereview.com/best/desktops-local-ai) - [Best Laptops for Local AI](https://www.storagereview.com/best/laptops-local-ai) - [Best Local LLM Tools](https://www.storagereview.com/best/local-llm-tools) - [Agentic AI Hardware](https://www.storagereview.com/best/agentic-ai-hardware) - [Best SSDs & Hard Drives](https://www.storagereview.com/best_drives) - [Best Portable SSDs](https://www.storagereview.com/best/portable-ssds) - [Best Business Laptops](https://www.storagereview.com/best/business-laptops) - [Best Mobile Workstations](https://www.storagereview.com/best/mobile-workstations) - [Best Desktop Workstations](https://www.storagereview.com/best/desktop-workstations) - [Best Mini PCs](https://www.storagereview.com/best/mini-pcs) - [Best Laptop Battery Life](https://www.storagereview.com/best/laptop-battery-life) - [Storage Reference Guide](https://www.storagereview.com/storage-reference-guide) - [About SR](https://www.storagereview.com/about-storagereview) - [StorageReview.com Sweepstakes Rules and Regulations](https://www.storagereview.com/storagereview-com-sweepstakes-rules-and-regulations) Search [Home](https://www.storagereview.com/) » [News](https://www.storagereview.com/news) » Western Digital Expands Enterprise Hard Drive Line with S25 SAS and RE SAS # Western Digital Expands Enterprise Hard Drive Line with S25 SAS and RE SAS by Brian Beeler on January 18, 2011 [End User](https://www.storagereview.com/consumer) Western Digital has announced their second-generation WD S25 SAS drives and the latest WD RE SAS enterprise hard drives. The WD S25 is a 2.5" drive featuring 10,000RPM spin speed, SAS 6Gb/s interface and comes in 450GB (WD4500BKHG) and 600GB (WD6000BKHG) capacities. The WD RE SAS offers a 3.5" form factor with 7,200RPM spin speed, SAS 6Gb/s interface and capacities of 1TB (WD1000FYYG) and 2TB (WD2000FYYG).  "Over the past three years, SAS has established itself as the preferred interface for HDDs in servers and enterprise storage systems, representing more than 50 percent of all HDDs shipped for enterprise applications in 2010," said John Rydning, research director, hard disk drives at IDC. **WD S25 (WD6000BKHG) Specs** ![WD S25 SAS](https://www.storagereview.com/wp-content/uploads/2011/01/WD-S25.jpg) - Rotational Speed – 10,000 RPM - Buffer Size – 32 MB - Transfer Rate – 155 MB/s - Capacity – 600 GB - Interface – SAS 6 Gb/s - Form Factor – 2.5" - User Sectors Per Drive – 1,172,123,568 - Height – 15 mm, Depth – 100 mm, Width – 69.85 mm - Weight – 219g - Idle Mode – 28 dBA (average) - Seek Mode 0 34 dBA (average) - Operating – 5° C to 55° C - Non-operating – -40° C to 70° C - Read/Write – 7.10 Watts - Idle – 5.40 Watts **WD RE SAS 2 TB SAS (WD2000FYYG)** ![WD RE SAS]()   - Rotational Speed – 7,200 RPM - Buffer Size – 32 MB - Load/unload Cycles – 600,000 minimum - Transfer Rate – 139 MB/s - Formatted Capacity – 2,000,398 MB - Capacity – 2 TB - Interface – SAS 6Gb/s - User Sectors Per Drive – 3,907,029,168 - Height – 26.1 mm, Depth – 147 mm, Width – 101.6 mm - Weight – 0.75 kg - Idle Mode – 29 dBA (average) - Seek Mode 0 – 34 dBA (average) - Seek Mode 3 – 30 dBA (average) - Operating – 5° C to 55° C - Non-operating – -40° C to 70° C - Read/Write – 12.80 Watts - Idle – 9.90 Watts **Pricing and Availability** Both families of drives are shipping to OEMs now. Pricing was not announced.  [WD S25 SAS product page ](http://www.wdc.com/en/products/products.aspx?id=10) [WD RE SAS product page](http://www.wdc.com/en/products/products.aspx?id=580) [Discuss This Story](http://forums.storagereview.com/index.php/topic/29478-western-digital-expands-enterprise-hard-drive-line-with-s25-sas-and-re-sas/) **Engage with StorageReview** [Newsletter](https://www.storagereview.com/storage_newsletter) |  [YouTube](https://www.youtube.com/user/StorageReview "Opens in a new window") | Podcast  [iTunes](https://podcasts.apple.com/gb/podcast/storagereview-com-storage-reviews/id1060681115 "Opens in a new window")/ [Spotify](https://open.spotify.com/show/1y6VnznABhHeOSMOmbDTz0 "Opens in a new window") |  [Instagram](https://www.instagram.com/storagereview/ "Opens in a new window") |  [Twitter](https://twitter.com/storagereview "Opens in a new window") |  [TikTok](https://www.tiktok.com/@storagereview? "Opens in a new window") |  [RSS Feed](https://www.storagereview.com/rss.xml) ![]() ### Brian Beeler Brian is located in Cincinnati, Ohio and is the chief analyst and President of StorageReview.com. 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