Seagate's new hybrid drive raises some old questions

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The FireCuda Forge reviews an old concept, with some familiar concerns.

Seagate does not believe hybrid drives are done simply. On Tuesday, the business revealed the launch of the brand-new FireCuda Forge line of storage drives. The brand-new drives integrate the high capability of a conventional plattered HDD with the speed and responsiveness of a user-supplied solid-state drive (SSD). The brand-new hybrid storage service is Seagate’s very first to be powered and handled by the brand-new Alkemi smart storage platform.

The FireCuda Forge is readily available today through Seagate’s web shop, and can be found in 8TB ($699) or 20TB ($899) HDD setups– neither of that includes the needed SSD. Users will need to bring their own SSD, with some particular limitations. The FireCuda Forge works with M. 2 2280 NVMe drives that are PCIe Gen3 or greater. The optimum supported NVMe capability is 1TB, which implies that’s as much information as you’ll have the ability to commit to storage on the “quick side” of the hybrid setup. The NVMe will need minimum speeds of 2,400 MB/s checked out and 2,000 MB/s compose, and a system with DRAM cache is advised. Seagate declares 2,500 MB/s checked out and 2,000 MB/s compose speeds for the combined system, in addition to USB4 and assistance for Windows 11 and macOS 26+.

Credit: Seagate

After dipping to historic lows previously in the years, storage rates per TB has actually taken off in the middle of the AI boom. According to information gathered by Tom’s Hardware, some solid-state drives now cost 2 to 3 times their historical lows, and it’s not simply SSDs. Mechanical drives have not been immune either. According to PCServerParts, a Seagate Exos 24TB drive that cost$298.99 in the summer season of 2025 was priced at $699.99 by August 2026.

Hybrid drives had actually mainly fallen out of style considering that their prime time in the early to mid 2010s. The pledge then resembled what Seagate is using now. A big HDD is integrated with a smaller sized SSD and handed to the user as a single storage swimming pool. Apple presented its own hybrid option back in 2012 with the Mac mini’s Fusion Drive. When Ars opened a system, the Fusion Drive system was discovered to compose in 128KB tiered blocks. Info was normally composed to the SSD initially, and was then moved to the HDD as required. If the files were often utilized, they may discover a more irreversible home on the SSD side of things.

As solid-state storage continued getting more affordable, the hybrid method was mostly deserted. Fast-forward to our existing storage expense dilemma in 2026, and Seagate’s line of believing that whatever old is brand-new once again begins to hold water. All storage expenses have actually taken off, however the 2012 mathematics still works today. NAND flash is still quickly, however costly, and standard mechanical drives are at least relatively less expensive per TB for greater capability storage.

The issue with Apple’s Fusion option was its fragility. If among the 2 drives stopped working, that was most likely it. Healing depended upon both drives coming together as a single volume. If among those 2 disks experienced a physical failure, healing ended up being hard because the staying working drive depended upon the now damaged drive’s information to reconstruct the complete system image.

According to Seagate’s news release, the Alkemi smart storage platform takes a various method. Where Apple’s Fusion Drives utilized tiering handled by macOS, Alkemi handles the storage swimming pool straight from the enclosure. Seagate states,”Alkemi finds out and adjusts gradually to keep high-demand material quick and available on a user’s SSD, while the HDD supplies area for growing libraries. Behind the scenes, Alkemi handles information positioning, offering users the simpleness of a single storage drive.The item information sheet PDF from the FireCuda Forge site explains the Alkemi system as a two-tier storage system, however does not elaborate any more on whether the system utilizes SSD caching, automated tiering, a mix of the 2, or something else completely.

The statement does not attend to how the Alkemi platform handles the information in between the 2 drives. The old Intel Smart Response Technology kept failure threats low by matching information from the mechanical HDD to the quicker SSD, with the HDD maintaining the reliable copy. The optional write-back mode might still hold brand-new information on the SSD. Apple’s Fusion Drive rather tiered information in 128KB obstructs throughout the storage swimming pool, saving information on both drives. The difference matters, and is most likely why Ars asked the very same concern after Apple’s hybrid statement 14 years back.

Seagate’s statement mentions”smart information tieringwithout more description. The information system guarantees that your most accessed files will be quickest to gain access to by means of smart storage management, however stops brief of describing whether one drive decreasing implies failure for the entire system. There’s likewise no reference of how the Alkemi system disperses information on very first boot. Does all the brand-new composed information go straight to the SSD up until the 1TB cap is crossed, and after that the system begins figuring out which files are very important adequate to stay on the faster drive? Seagate appears to be keeping things mum for the minute, however as the drives have actually currently released for sale, there ought to be responses to all of these concerns coming quickly.

Seagate hasn’t released technical paperwork relating to how the Alkemi system manages drive failure or repair work. Till it does, the brand-new FireCuda Forge drives provide the exact same appeal as Apple’s old Fusion Drives: SSD speed with HDD capability, in addition to the very same concerns Ars was inquiring about hybrid storage years back.

Nick Indge is a Senior Technology Reporter at Ars Technica covering hardware, ingrained systems, and self-hosted facilities. A previous security detective turned tech author, he composes to assist readers leave membership traps and restore ownership of their digital lives. He resides in Chicagoland with his household and a goofball husky.

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