ZK521ST Optoma ZK521ST True 4K UHD Short Throw L Optoma ZK521ST True 4K UHD Short Throw L Optoma ZK521ST True 4K UHD Short Throw L Optoma ZK521ST True 4K UHD Short Throw L Optoma ZK521ST True 4K UHD Short Throw L Optoma ZK521ST True 4K UHD Short Throw L Optoma ZK521ST True 4K UHD Short Throw L Optoma ZK521ST True 4K UHD Short Throw L Optoma ZK521ST True 4K UHD Short Throw Laser Projector
ZK521ST
Optoma ZK521ST True 4K UHD Short Throw L
Optoma ZK521ST True 4K UHD Short Throw L
Optoma ZK521ST True 4K UHD Short Throw L
Optoma ZK521ST True 4K UHD Short Throw L
Optoma ZK521ST True 4K UHD Short Throw L
Optoma ZK521ST True 4K UHD Short Throw L
Optoma ZK521ST True 4K UHD Short Throw L
Optoma ZK521ST True 4K UHD Short Throw L
Optoma ZK521ST True 4K UHD Short Throw Laser Projector

Optoma ZK521ST True 4K UHD Short Throw Laser Projector

$2,716.00 $3,999.00
Brand: OptomaReviews
4K resolution
You save $1,283.00 (32%)
Special order products normally take 10–14 business days to ship, depending on vendor availability.
  • Free US shipping on this item.
  • Special order: no returns without a manufacturer RMA. It ships from the manufacturer and lead times vary. If you cancel after your payment is captured (4 business days after the order is made), a 3% card processing fee is deducted. Wrong or defective items are always covered.
    Return terms: you pay shipping both ways, 3% card fee, 30% if opened
    • 30 daysfrom delivery to start a return
    • Shipping both waysto you and back to us, paid by you
    • 3% card feededucted from every refund
    • 30% open-box feeif the box has been opened
    • Special ordersno returns without a manufacturer RMA
    • Discontinued itemsnot returnable

    Wrong or defective items, and items damaged in transit with Package Protection, are always covered with no fees. Full return policy

  • Manufacturer's warranty from Optoma. Warranty
  • Volume order? Get a quote: chat with us, email us, or add it to your cart and download a PDF quote.
D Questions about this product? Daniel and the team reply fast, usually within minutes, Mon–Fri 8am–4pm ET. Chat with us now or email us.
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Optoma ZK521ST True 4K UHD Short Throw Laser Projector

  • Manufacturer: Optoma
  • Model: ZK521ST
  • Category: Projector

The Optoma ZK521ST short throw projector delivers 5,000 lumens of brilliant True 4K UHD sharp visuals in a compact short-throw design, enabling large, shadow-free projections even in limited spaces. Engineered for 24/7 reliability, it offers a low-maintenance, energy-efficient laser solution with centralized IT management and smart control for corporate, education, or commercial uses.

Optoma ZK521ST White 4K UHD Short throw projector, 5000 Lumens 0.79:1 throw ratio 6.6 lbs 2 x HDMI 2.0 (4K HDR), VGA-In, 2 x USB-A (Power / Dongle), 1 x Audio-Out 3.5mm, 1 x RS232, RJ45, 3D Sync, 12V trigger 3 Year Warranty

Shipping

Free US shipping on orders over $200. Orders under $200 ship at the rate shown at checkout. Oversized items ship by freight; we confirm the quote with you first.

Shipping policy

Returns

Special order: no returns without a manufacturer RMA. Wrong or defective items are always covered.

Start a return

Damaged or wrong item?

Tell us within 3 days of delivery with photos and we'll make it right, with no fee.

Contact us

Optoma warranty

This product is covered by the manufacturer's warranty. We help you with the claim from start to finish.

Warranty details

Support from real people

Setup questions, compatibility, firmware: chat with a specialist or email info@silarius.com, Monday to Friday, 8am to 4pm ET.

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Business accounts

Approved businesses can pay on Net 30 / PO terms after their second completed order.

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