![Seagate Laptop Thin SSHD ST500LM000 - Hybrid harddisk - 500 GB (8 GB Flash) - intern - 2.5" - SATA 6Gb/s - 5400 rpm - buffer: 64 MB - for Inspiron 14 5447; Latitude 34XX, 3540, E5440, E6330, E6440, E6540; OptiPlex 30XX, 90XX Seagate Laptop Thin SSHD ST500LM000 - Hybrid harddisk - 500 GB (8 GB Flash) - intern - 2.5" - SATA 6Gb/s - 5400 rpm - buffer: 64 MB - for Inspiron 14 5447; Latitude 34XX, 3540, E5440, E6330, E6440, E6540; OptiPlex 30XX, 90XX](https://i.computersalg.dk/digitalcontent/360/1725/17255733.jpg)
Seagate Laptop Thin SSHD ST500LM000 - Hybrid harddisk - 500 GB (8 GB Flash) - intern - 2.5" - SATA 6Gb/s - 5400 rpm - buffer: 64 MB - for Inspiron 14 5447; Latitude 34XX, 3540, E5440, E6330, E6440, E6540; OptiPlex 30XX, 90XX
If flash memory is much faster than HDD (it's as fast as DRAM) and can keep data after the power is turned off, why is HDD still used in PCs, notebooks, etc.?
![HPE Nimble Storage Adaptive Flash HF-Series HF20 - Solid state/harddisk array - 42 TB - 27 bays - HDD 2 TB x 21 + SSD 5.76 TB x 6 - iSCSI (10 GbE), 16Gb Fibre Channel (ekstern) - rackversion - 4U HPE Nimble Storage Adaptive Flash HF-Series HF20 - Solid state/harddisk array - 42 TB - 27 bays - HDD 2 TB x 21 + SSD 5.76 TB x 6 - iSCSI (10 GbE), 16Gb Fibre Channel (ekstern) - rackversion - 4U](https://csdam.net/digitalcontent/0/3458/34585072.jpg)