Disk Prices vs TDEE Steps

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Disk Prices compared with TDEE Steps
Detail	Disk Prices	TDEE Steps
What it does	Compare HDD and SSD prices with full specifications and price per terabyte in the US	Free Mifflin-St Jeor calculator that shows every step of the equation
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Free	Free
Pricing	Not given	Not given
Key features	Customizable columns for specifications like RPM, CMR/SMR, IOPS, TBW, and warranty Price per TB and price per GB calculations for fair capacity comparison Full-parameter comparison table with 50+ specifications per drive	Shows full equation working with step-by-step substitution Multiple activity levels from sedentary (×1.2) to extra active (×1.9) Katch-McArdle calculator using body fat percentage Step-based TDEE estimation Adaptive TDEE calculator from weight changes Embeddable calculator iframe Metric and imperial unit switching Comparison with other equations like Harris-Benedict
What makes it different	Includes 50+ specifications from manufacturer documentation, not just price and product name Critical fields like capacity, media type, and CMR/SMR recording type are manually verified for accuracy Community-maintained workspace where edits are reviewed and shared with all users	Shows all working so users can verify the math themselves Uses the most accurate equation for healthy adults Multiple calculation methods beyond basic equation Transparent about accuracy limitations and sources Completely free with no tracking or cookies
Community votes	1	0
DR (Domain Rating by Ahrefs)	23 −1 (down) since last check	16 +1 (up) since last check
Trust Flow (Majestic)	8	1
Citation Flow (Majestic)	28	16
Referring domains (Majestic)	116	3

4 details filled in for both companies.

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