Pelco SRXE4-2V12-EMD-1 vs Pelco SRXE4-8V9-IMD-IR1: Specification Comparison
Both the Pelco SRXE4-2V12-EMD-1 and SRXE4-8V9-IMD-IR1 belong to the Sarix Enhanced 4 Series and share the same 4MP resolution class, identical sensor architecture, and the same motorized varifocal lens. Both are fixed dome cameras—not PTZ—making them directly cross-shoppable. The primary differentiators are deployment environment (outdoor-rated vs. indoor-rated), low-light technology (B/W mode vs. integrated IR illumination), and operating temperature range, all of which have direct bearing on site selection and specification.
In This Guide
How do the imaging specs compare?
Both cameras share a 1/1.8-inch progressive scan CMOS sensor producing a maximum resolution of 2560×1440 at up to 60 fps, with a 4.4–9.3 mm motorized varifocal lens providing a 32–109° horizontal field of view at F1.4 aperture. WDR performance is identical at 130 dB SureVision on both units. Video compression options are equally matched: H.265, H.264, and Motion JPEG on each model.
Low-light performance diverges at the illumination floor. The SRXE4-2V12-EMD-1 specifies 0.003 lux color and 0.001 lux B/W, relying on a Day/Night cut filter for near-dark performance with no built-in IR emitter stated in the primary specs. The SRXE4-8V9-IMD-IR1 specifies 0.003 lux color and 0 lux IR, with integrated 850 nm IR illumination enabling true zero-lux capture. Buyers deploying in fully unlit indoor areas will find the IR model's 0-lux floor a meaningful advantage; the outdoor model's 0.001-lux B/W floor is competitive in scenes with ambient spill light.
What about installation and environment?
The SRXE4-2V12-EMD-1 carries a significantly broader ingress protection rating: IP66, IP67, IP68 (2 m for 2 hours), IPX9K, and NEMA 4X, plus IK11 mechanical impact resistance. Its operating temperature range extends from –50°C to +65°C (with PoE+ or external power), making it suitable for extreme cold-climate outdoor deployments. The SRXE4-8V9-IMD-IR1 is rated IP66 and IK11, with an operating temperature of –10°C to +65°C—adequate for indoor or sheltered environments but not suited for harsh outdoor or sub-freezing conditions. Neither model's mounting dimensions are fully consistent across all spec fields provided; installers should verify final mechanical drawings against the respective datasheets.
Both units are powered via PoE Class 3. The outdoor model's spec references PoE+ (802.3at) in one field, which should be verified against the datasheet before switch-port planning. Both support microSD on-board storage. The SRXE4-8V9-IMD-IR1 lists 'Rack' as a mount type in one field—this appears to be a data entry anomaly; the form factor is dome, and buyers should confirm mounting options with Pelco documentation.
Which fits your VMS and analytics better?
Both cameras are ONVIF Profile S, T, G, and M compliant, ensuring broad VMS compatibility across platforms supporting those profiles. Edge analytics capabilities are identical per the provided specs: Smart Analytics covering Person/Vehicle Detection, Direction Violation, Loitering, Beam Crossing, Crowd Detection, Audio Analytics, and Tamper Alert. Cybersecurity posture is also matched: FIPS 140-3 Level 3, TPM, Secure Boot, HTTPS, and 802.1X on both units. Both carry NDAA Section 889 and TAA compliance, satisfying federal and government procurement requirements.
Audio support is noted on the outdoor model (microphone supported) but is not explicitly listed in the comparable spec fields for the SRXE4-8V9-IMD-IR1; buyers requiring audio analytics on the indoor unit should verify against Pelco's datasheet. On-board edge storage via microSD is confirmed on the outdoor model; the indoor model's spec does not explicitly list microSD support in the primary spec fields provided, though the shared platform architecture suggests it may be present—confirm before specifying.
Which should you choose: the SRXE4-2V12-EMD-1 or the SRXE4-8V9-IMD-IR1?
Our take: The SRXE4-2V12-EMD-1 is the stronger choice when the deployment site is outdoors, subject to extreme temperatures, or exposed to weather and high-pressure washdown. Key spec deltas: first, its ingress protection extends to IP68 (2 m/2 hr) and IPX9K versus the indoor model's IP66 only—a decisive gap for exterior or wash-area installs. Second, its operating temperature floor reaches –50°C versus –10°C on the IR model, covering arctic or unheated enclosure scenarios. Third, its low-light floor in B/W mode is 0.001 lux versus 0 lux IR on the indoor unit—the IR model wins in fully dark interiors, but the outdoor model performs adequately where ambient light exists. Choose the SRXE4-8V9-IMD-IR1 for indoor environments requiring zero-lux IR coverage in permanently unlit spaces such as warehouses, parking structures, or server rooms where ambient light cannot be guaranteed.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | Pelco SRXE4-2V12-EMD-1 | Pelco SRXE4-8V9-IMD-IR1 |
|---|---|---|
| Resolution | 4MP (2560 x 1440) | 4MP (2560 x 1440) |
| Image Sensor | 1/1.8" progressive scan CMOS | 1/1.8" progressive scan CMOS |
| Max Frame Rate | 60 fps | 60 fps |
| Lens / Focal Length | 4.4–9.3 mm motorized varifocal | 4.4–9.3 mm motorized varifocal |
| HFOV | 32–109° | 32–109° |
| Aperture | F1.4 | F1.4 |
| Min Illumination | 0.003 lux color / 0.001 lux B/W | 0.003 lux color / 0 lux IR |
| IR Illumination | Not specified in provided specs | 850 nm integrated IR |
| WDR | 130 dB SureVision | 130 dB SureVision |
| Video Compression | H.265; H.264; Motion JPEG | H.265; H.264; Motion JPEG |
| IP Rating | IP66 / IP67 / IP68 (2m/2hr) / IPX9K / NEMA 4X | IP66 |
| Impact Rating | IK11 | IK11 |
| Operating Temperature | –50°C to +65°C | –10°C to +65°C |
| Power / PoE Class | PoE Class 3 (PoE+ referenced in one field—verify) | PoE Class 3 |
| Edge Storage | microSD | Not explicitly listed—verify datasheet |
| Audio | Microphone supported | Not explicitly listed—verify datasheet |
| ONVIF Compliance | Profile S, T, G, M | Profile S, T, G, M |
| Cybersecurity | FIPS 140-3 L3, TPM, Secure Boot, HTTPS, 802.1X | FIPS 140-3 L3, TPM, Secure Boot, HTTPS, 802.1X |
| Compliance | NDAA §889; TAA Compliant | NDAA §889; TAA Compliant |
| Environment Rating | Outdoor | Indoor |
| Warranty | 5 years | 5 years |
Frequently Asked Questions
Which should you choose: the SRXE4-2V12-EMD-1 or the SRXE4-8V9-IMD-IR1?
The SRXE4-2V12-EMD-1 is the stronger choice when the deployment site is outdoors, subject to extreme temperatures, or exposed to weather and high-pressure washdown. Key spec deltas: first, its ingress protection extends to IP68 (2 m/2 hr) and IPX9K versus the indoor model's IP66 only—a decisive gap for exterior or wash-area installs. Second, its operating temperature floor reaches –50°C versus –10°C on the IR model, covering arctic or unheated enclosure scenarios. Third, its low-light floor in B/W mode is 0.001 lux versus 0 lux IR on the indoor unit—the IR model wins in fully dark interiors, but the outdoor model performs adequately where ambient light exists. Choose the SRXE4-8V9-IMD-IR1 for indoor environments requiring zero-lux IR coverage in permanently unlit spaces such as warehouses, parking structures, or server rooms where ambient light cannot be guaranteed.
Is the SRXE4-2V12-EMD-1 or SRXE4-8V9-IMD-IR1 better for low-light performance?
It depends on the lighting environment. The SRXE4-8V9-IMD-IR1 reaches 0 lux using its integrated 850 nm IR illumination, making it the choice for fully dark indoor spaces. The SRXE4-2V12-EMD-1 reaches 0.001 lux in B/W mode without built-in IR, which is sufficient where some ambient light is present but not for completely unlit areas.
Can the SRXE4-2V12-EMD-1 be used indoors, and can the SRXE4-8V9-IMD-IR1 be used outdoors?
The SRXE4-2V12-EMD-1 is rated IP66/IP67/IP68/NEMA 4X and operates down to –50°C, so it is fully suitable for indoor use as well. The SRXE4-8V9-IMD-IR1 is rated IP66 with a –10°C lower operating limit and is specified as an indoor unit; it lacks the submersion and NEMA 4X ratings required for direct outdoor or washdown exposure, so outdoor deployment is not supported by the provided specifications.
Do both cameras support the same VMS integrations and edge analytics?
Yes, per the provided specifications. Both models are ONVIF Profile S, T, G, and M compliant and carry identical Smart Analytics: Person/Vehicle Detection, Direction Violation, Loitering, Beam Crossing, Crowd Detection, Audio Analytics, and Tamper Alert. Both also share FIPS 140-3 Level 3, TPM, Secure Boot, HTTPS, and 802.1X cybersecurity features, as well as NDAA Section 889 and TAA compliance.
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