The DC4020 is the DryChill 40 × 1.5 / 2.0 mL passive cooling block — sold at $421. Pre-cooled in freezer / refrigerator then maintains cold microtube sample temperature on the bench without electrical input. High-density 40-position microtube format at the lowest DryChill list price.
For full DryChill rationale (passive cooling vs ice bucket, pre-cooling protocol, application context), see the DC0650 (DryChill family anchor) page.
Voltage options: This unit can be ordered with European voltage requirements (230V/50Hz). Contact us to order.
Key Specifications
| SKU | DC4020 |
| Type | Passive cooling block (no electrical input) |
| Capacity | 40 × 1.5 / 2.0 mL microtubes |
| Pre-cooling | Required (freezer / refrigerator pre-cool before bench use) |
| Voltage | NA — passive operation, no electrical |
| Family anchor | DC0650 (6 × 50 mL, $475) |
| Sister format | DC1215 (12 × 15 mL, $475) · DC9602 (96 × 0.2 mL, $421) |
| List price | $421 |
DryChill Format Decision
| Block | Format | Tube positions | List |
| DC0650 | 6 × 50 mL | 6 | $475 |
| DC1215 | 12 × 15 mL | 12 | $475 |
| DC4020 (this product) | 40 × 1.5 / 2.0 mL | 40 | $421 |
| DC9602 | 96 × 0.2 mL | 96 | $421 |
Pick the DC4020 when:
- Workflow involves cold-hold of 1.5 / 2.0 mL microtubes during bench operations
- High-density 40-tube parallel processing at microtube scale
- Enzyme prep / PCR-prep / extraction-prep workflows in 1.5 / 2.0 mL format
- Lowest-cost DryChill format for high-density microtube cold-hold
Frequently Asked Questions
What tube format does the DC4020 hold? 40 × 1.5 / 2.0 mL microtubes — a high-density microtube cold-hold format.
Does the DC4020 require power? No. It is a passive cooling block with no electrical input — pre-cooled in a freezer or refrigerator, then it maintains cold microtube temperature on the bench.
How does the DC4020 compare to the DC0650 and DC1215? The DC4020 lists at $421 versus $475 for the DC0650 (6 × 50 mL) and DC1215 (12 × 15 mL). It is the lowest-cost DryChill format alongside the DC9602 (96 × 0.2 mL, $421).
What is the list price of the DC4020? $421 — the lowest DryChill list price.
Ordering & Configuration
Confirm pre-cooling protocol with Benchmark Scientific tech support.
Plan freezer storage capacity for the block when not in use.
Confirm at quote: pre-cooling protocol, intended workflow context, freezer storage planning, and lead time.
Warranty: Per Benchmark Scientific standard capital-equipment terms.
DryChill family — see DC0650 anchor for full passive-cooling decision rationale.
