BUY / BUILD / EXPAND
Power on site.
Compute in sight.
Certified pre-owned GPU lots, nodes, clusters and full solutions.
Buy certified computeA NEW WAVE OF COMPUTE
Experienced operator? Waiting months for new inventory? Start with certified pre-owned compute and explore financing through RackStart.

YOUR OPPORTUNITY HAS A TIMELINE
New inventory can take months.
Your next move has another starting point.
Certified compute. Experienced operators. A qualified market.
FROM ONE RACK TO THE NEXT
Follow the equipment, its individual evidence and the next operator.

ONE OWNER’S NEXT CHAPTER
An existing rack can become another operator’s starting point. RackUnion brings eligible pre-owned infrastructure into a qualified secondary market.
GPU LOTS / NODES / CLUSTERS
PRE-OWNED. UNDERSTOOD.
Know the actual units. Voltry provides dated condition evidence. RackUnion brings that evidence into qualification, valuation and price discovery.
EXACT UNITS / INDIVIDUAL EVIDENCE
ANOTHER OPERATOR’S FIRST MOVE
For the next operator, a new place to start. Bring your site, power and deployment plan. Explore certified compute and a financing path through RackStart.
OPERATING EXPERIENCE / NEW OPPORTUNITYONE OWNER’S NEXT CHAPTER. ANOTHER’S FIRST MOVE.
Pre-owned infrastructure can be the start of something new.
BUY / BUILD / EXPAND
Certified pre-owned GPU lots, nodes, clusters and full solutions.
Buy certified computeSELL / UPGRADE / MOVE ON
Sponsored certification for accepted inventory. Qualified buyers. Real price discovery.
Sell certified infrastructureRACKSTART / EXPERIENCE IS YOUR STARTING POINT
Experienced operator? No offtake agreement? Start with your track record, deployment plan and certified pre-owned compute.
Find your path with RackStartProviders decide underwriting, terms and approval.
HOW THE MARKET WORKS
Every GPU. Its own dated evidence.
Identity, site and funding. Before a bid.
Sealed bids. One best-and-final round.
Independent escrow. Serialized delivery.
PRE-OWNED. UNDERSTOOD.
Condition evidence provided by Voltry, tied to the exact units. No sampling. No post-auction substitution.
See what certification meansDated condition evidence, not a warranty. RackUnion is independent from Voltry.
FAIR MARKET VALUE + PRICE DISCOVERY
Hardware, condition and readiness inform a private FMV range. Qualified bids discover the price.
Explore the valuation factorsFMV is an estimate, not a guaranteed sale price.
Only completed and settled sales belong here.
YOUR NEXT MOVE
Certified pre-owned compute. A path to qualified capital.