The Sapphire (with Vacuum System)'s wow & flutter is 0.040% against the SOTA Sapphire's 0.030%, its platter weight 6.35 kg (14 lbs) against 18.15 kg (40 lbs), and its weight 18.14 kg (40 lbs) against 18.15 kg (40 lbs). Both share drive type (Belt).
The Sapphire 5's wow & flutter is 0.040% against the SOTA Sapphire's 0.030%, its platter weight 9.07 kg (20 lbs) against 18.15 kg (40 lbs), and its weight 20 kg (44 lbs) against 18.15 kg (40 lbs). Both share drive type (Belt).
The Melody's wow & flutter is 0.040% against the SOTA Sapphire's 0.030%, its platter weight 30 kg (66 lbs) against 18.15 kg (40 lbs), and its platter material POM against Composite. Both share drive type (Belt).
Empire 698
- Wow & flutter
- 0.040% vs 0.030%
- Platter weight
- 3.63 kg (8 lbs) vs 18.15 kg (40 lbs)
Micro Seiki BL-91
- Wow & flutter
- 0.025% vs 0.030%
- Platter weight
- 3.5 kg (8 lbs) vs 18.15 kg (40 lbs)