1. Applicable : HDD tray caddy is lightweight and portable, suitable for Huawei RH1288 RH2288 RH2285H V2 V3 V4 V5. 2. SAS/ Universal: Hard drive tray is a 2.5in SAS/ universal, hot swappable hard drive, easy to operate. 3. Included Accessories: HDD tray caddy is fine workmanship, suitable for 2.5in SFF, 4 screws to each tray. 4. Stable Performance: Hard drive tray is more stable, improves the stability of hard disk and protects your data security. 5. ABS Material: Hard drive tray is made of sturdy ABS material, which is wear and durable, and can be used for a long time.