An optical fiber splice tray , comprising: a base having an external perimeter; a fiber management region within the external perimeter of the base ; a first splicing zone on a first side of the fiber management region and separated from the fiber management region by a first containment wall extending from the base; a second splicing zone on a second side of the fiber management region and separated from the fiber management region by a second containment wall extending from the base, the second side being opposite the first side; at least one first optical component location disposed adjacent to the first splicing zone opposite the fiber management region, the first splicing zone being between the at least one first optical component location and the fiber management region ; and at least one second optical component location disposed adjacent to the second splicing zone , the second splicing zone being between the at least one second optical component location and the fiber management region , wherein the first splicing zone and the second splicing zone comprise a plurality of catch walls configured to hold a plurality of single fiber optical fiber splices, wherein each of the first and second splicing zones is configured to hold between 8 to 12 single fiber splices such that a defined connection density of splice holders per unit of volume of the optical fiber splice tray is at least 5 single splices per cubic inch, 16.4 cm 3 ; the optical fiber splice tray comprising a sidewall extending from the base at least partially around the external perimeter of the base, the sidewall defining a cable entrance region at a first end of the splice tray ; and a pair of curved fiber entrance / exit channels extending from the cable entrance region toward the exterior of the optical fiber splice tray and configured to receive fibers entering or exiting the splice tray at the first end of the splice tray . a base having an external perimeter; a fiber management region within the external perimeter of the base ; a first splicing zone on a first side of the fiber management region and separated from the fiber management region by a first containment wall extending from the base; a second splicing zone on a second side of the fiber management region and separated from the fiber management region by a second containment wall extending from the base, the second side being opposite the first side; at least one first optical component location disposed adjacent to the first splicing zone opposite the fiber management region, the first splicing zone being between the at least one first optical component location and the fiber management region ; and at least one second optical component location disposed adjacent to the second splicing zone , the second splicing zone being between the at least one second optical component location and the fiber management region , wherein the first splicing zone and the second splicing zone comprise a plurality of catch walls configured to hold a plurality of single fiber optical fiber splices, wherein each of the first and second splicing zones is configured to hold between 8 to 12 single fiber splices such that a defined connection density of splice holders per unit of volume of the optical fiber splice tray is at least 5 single splices per cubic inch, 16.4 cm 3 ; the optical fiber splice tray comprising a sidewall extending from the base at least partially around the external perimeter of the base, the sidewall defining a cable entrance region at a first end of the splice tray ; and a pair of curved fiber entrance / exit channels extending from the cable entrance region toward the exterior of the optical fiber splice tray and configured to receive fibers entering or exiting the splice tray at the first end of the splice tray . <EOS>